NewPest Control Technician Ecolab Inc.Pest Control TechnicianWilmington, DE$51,200–$76,700 / yearPosition requires working in a variety of conditions which may include confined spaces, damp and/or dusty locations, freezing and hot conditions, extreme heights of up to 150 feet, and use of ladders, scissor lifts, or arial boom lifts. To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to: - Undergo additional background screens and/or drug/alcohol testing for customer credentialing.
Batch Processing Technician JouléBatch Processing TechnicianConcordville, PA$21.59–$28.79 / hourRequirements High School Diploma or equivalent required; Bachelor’s degree preferred (science-related field a plus). A leading manufacturing organization in the Concordville, PA area is seeking a Batch Process Technician to support both production and quality operations.
Diesel Technician II- $2k Sign on Bonus PenskeDiesel Technician II- $2k Sign on BonusNew Castle, DEFull timeWillingness to travel as necessary within the district (customers’ yards, close geographical area and training sites), work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education) and pass a drug screening. Penske Truck Leasing/Transportation Solutions is a premier global transportation provider that delivers essential and innovative transportation, logistics and technology services to help companies and people move forward.
NewDiesel Technician/Mechanic III - Entry Level Penske Truck RentalDiesel Technician/Mechanic III - Entry LevelLANCASTER, PAWillingness to work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education), the ability to pass a drug screen and physical as required by the Department of Transportation, and potential travel within a near geography for training are required. • Doing preventative maintenance repairs—like replacing or rotating tires—and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles.
Service Technician - Operations Market Specialist - North Philadelphia Ecolab Inc.Service Technician - Operations Market Specialist - North PhiladelphiaPhiladelphia, PA$52,000–$78,100 / yearBuilding on a century of innovation, our 48,000 associates help deliver comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world. As a Service Representative, you will service a variety of restaurants, hotels, and long-term care facilities through heavy installations and maintenance on ware washing, laundry and dispensing systems to drive a positive guest experience and create cleaner, safer and healthier environments.
Maintenance Technician Aspire BakeriesMaintenance TechnicianSwedesboro, NJ$36–$37.25As a Tech 3, you will be accountable for performing advanced preventive and corrective maintenance, troubleshooting complex equipment issues, and supporting the reliability of bakery production systems. The final determination of a successful candidate’s starting pay will vary based on a number of factors, including, but not limited to location, shift, education, skill, and experience within the job or the industry.
NewTravel Electrophysiology Technician - $3,423 per week AMN Healthcare AlliedTravel Electrophysiology Technician - $3,423 per weekLancaster, PA$3,371–$3,474At AMN Healthcare, we strive to be recognized as the most trusted, innovative, and influential force in helping healthcare organizations provide quality patient care that continually evolves to make healthcare more human, more effective, and more achievable. Must have experience with scrub and recording responsibilities to include experience with stim protocols-Micropace, transseptal, subQ ICD’s, BiV’s, Watchman, LBB pacers, Carto, Qdot, ICE, Micra, EPIC and MacLab systems.
Refrigeration Service Technician - Commercial & Industrial CoolSysRefrigeration Service Technician - Commercial & IndustrialDowningtown, PA$45Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems. · Provide general repair work on refrigeration, heating and ventilation equipment such as air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors and electric motors.
Building Controls Technician The Building PeopleBuilding Controls TechnicianWilmington, DEThe control technician will be responsible for assisting in calibration, point to point check out, programming, and testing of Direct Digital Control (DDC) building automation and control systems as directed. The Building People, LLC, has a position open for a full-time Control Technician to provide services related to the retro commissioning and calibration of existing control systems.
Controls Technician, Maintenance Datwyler Holding IncControls Technician, MaintenanceMiddletown, DEThe high-tech company focuses on high-quality, system-critical elastomer components and holds leading positions in attractive global markets such as healthcare, mobility, connectivity, general industry and food & beverage. The Controls Technician is responsible for maintaining, troubleshooting, repairing, calibrating, and improving manufacturing equipment and automation systems used in an ISO-certified pharmaceutical rubber manufacturing environment.
Entry-Level Fuel Controls Technician – Accessory Shop Careers in AviationEntry-Level Fuel Controls Technician – Accessory ShopCoatesville, PennsylvaniaThe Junior Mechanic supports the maintenance, repair, and overhaul of Rolls-Royce M250 helicopter engines by assisting with the disassembly, cleaning, inspection, and reassembly of engine components. Our benefits include four medical plans, two dental plans, vision coverage, company-paid life insurance, voluntary life insurance, short- and long-term disability, flex spending accounts, and telemedicine services.
Instrument and Controls Technician Reworld Holding CorpInstrument and Controls TechnicianChester, PAAll Reworld positions require a candidate's ability to perform the duties and responsibilities of the role while upholding Reworld's Values, including (but not limited to) contributing to a safe and inclusive workplace, delivering results through trust, and building breakthrough capabilities. Reworld partners with businesses by offering cutting-edge engineering and innovative solutions, to help customers reduce, reuse, recycle and recover value from waste streams and meet or exceed their sustainability goals.
Senior Controls & Automation Technician PLC Conveyors Cbre ValuationSenior Controls & Automation Technician PLC ConveyorsLancaster, PAInstall, maintain, and troubleshoot relay logic, ladder diagrams, control components - photo eyes, motor starters, relays, limit switches, proximity sensors, timers, solenoids, Servo drives, frequency inverters, linear drives, tachs, and encoders. CBRE Global Workplace Solutions (GWS) propose des prestations multi techniques et multi services afin d'assurer une gestion efficace et pérenne des services généraux de nos clients.
Eastern Controls - Instrumentation Technician - Edgemont, PA Endress+Hauser AGEastern Controls - Instrumentation Technician - Edgemont, PAPAYou may have (preferred): • Associate's Degree in a technical field • 1-5 years experience in a hands-on technical application • Excellent communication skills • Experience as an electromechanical field tech doing calibration and repairs • Ability to demonstrate basic electrical and mechanical knowledge • Use of hand tools and electronic testing equipment • Strong attention to safety and detail • Applicants with any knowledge of electrical and hydraulic actuators and familiarity with pneumatics is a strong plus. You will have (required): • High school diploma or equivalent • Must be able to obtain certifications in all required ECI and Principal programs • Ability to obtain and maintain TWIC and PSM credentials • Forklift, Scissors, lift, and confined spaces certification may also be required • Valid Driver's License and safe driving record • Ability to travel (approximately 15% overnight).
Eastern Controls - Valve Technician - Edgemont, PA Endress+Hauser AGEastern Controls - Valve Technician - Edgemont, PAPAYou may have (preferred): • Associate's Degree in a technical field • 1-5 years experience in a hands-on technical application • Excellent communication skills • Prior control valve experience • Ability to demonstrate basic electrical and mechanical knowledge • Use of hand tools and electronic testing equipment • Strong attention to safety and detail • Applicants with any knowledge of electrical and hydraulic actuators and familiarity with pneumatics is a strong plus. Since 1969, Eastern Controls has been the leading manufacturer representative, distributor, and service provider of process measurement and control equipment serving Metro New York, Eastern Pennsylvania, New Jersey, Delaware, Maryland, Virginia, West Virginia, and Ohio.
Pest Control Technician Hoffman's ExterminatingPest Control TechnicianNewtown Square, PAFull timeHoffman's Exterminating of Atlanta, GA is looking to hire a full-time Pest Control Technician to provide uncompromised service to our residential or commercial pest control customers utilizing an Integrated Pest Management approach (IPM) . You search high and low by entering attics, crawl spaces, and other parts of residences to assess any problems and properly identify insects, pest harborage areas, and conducive conditions.
Access Control Technician University of DelawareAccess Control TechnicianNewark, DEPosition Location Closes Access Control Technician Newark, DE Apr 15 2026 Under general supervision of the Manager of Electronic Services or designee, performs skilled work at the journeyman level of electronic access control systems for all campus buildings and other assigned areas. Employee is required to wear designated personal protective equipment to include, but not limited to, ANSI-approved safety eyewear, hardhats, gloves, hearing protection, full face shield, aprons and footwear to prevent exposures to hazardous materials, noise, dust and/or airborne particles.
Entry Level Pest Control Technician- Delaware County, PA Viking PestEntry Level Pest Control Technician- Delaware County, PAMedia, PAFull timeWe pride ourselves on being a forward-thinking company dedicated to providing safe, effective, and efficient pest control solutions-and investing deeply in our team members. As a Pest Control Technician , you'll be the face of Viking Pest-providing exceptional customer service while protecting homes and businesses in your community.
Entry Level Pest Control Technician - Smyrna, DE Viking PestEntry Level Pest Control Technician - Smyrna, DESmyrna, DEFull timeWe pride ourselves on being a forward-thinking company dedicated to providing safe, effective, and efficient pest control solutions-and investing deeply in our team members. As a Pest Control Technician , you'll be the face of Viking Pest-providing exceptional customer service while protecting homes and businesses in your community.
Entry Level Pest Control Technician- Lancaster, PA Viking PestEntry Level Pest Control Technician- Lancaster, PALancaster, PAFull timeWe pride ourselves on being a forward-thinking company dedicated to providing safe, effective, and efficient pest control solutions-and investing deeply in our team members. As a Pest Control Technician , you'll be the face of Viking Pest-providing exceptional customer service while protecting homes and businesses in your community.
Quality Control Technician PrimeFlight Aviation Services IncQuality Control TechnicianPASpecific vision abilities required for this job include: Close vision (clear vision at 20 inches or less); distance vision (clear vision at 20 feet or more); peripheral vision (ability to observe an area that can be seen up and down or to the left and right while eyes are fixed on a given point); depth perception (three-dimensional vision, ability to judge distances and spatial relationships); ability to adjust focus (ability to adjust the eye to bring an object into sharp focus). This role involves conducting regular inspections and audits of various airport services, including ground handling, maintenance, and passenger services.
NewQuality Control Technician J & J Snack Foods CorpQuality Control TechnicianBridgeport, NJ$18.50–$20 / hourAs a leader and innovator in the snack food industry for over 50 years, J&J Snack Foods provides branded snack foods to foodservice and retail supermarket outlets across the U.S. Its products include such icons as SUPERPRETZEL, ICEE, and Dippin' Dots along with other key brands like LUIGI'S Real Italian Ice, The Funnel Cake Factory Funnel Cakes, and Hola Churros. Education, Technical Qualifications, Experience and Competencies Proficiency Level Required High School Diploma Reading, Writing and Math Skills Proficient computer skills including experience MS Outlook & Excel Must be able to work in a fast-paced environment and must also effectively manage and execute changes.
Seasonal Pest Control Technician Green Pest ManagementSeasonal Pest Control TechnicianNew Castle, DEWe are a fast growing Pest Control company based in New Castle, Delaware looking to hire seasonal employees. Running a daily route servicing new customers and resolving customer’s concerns.
Pest Control Technician Rentokil Initial plcPest Control TechnicianWilmington, DEYou will be responsible for identifying and eliminating pests from residential properties by conducting thorough inspections, determining the type of pest infestation, applying appropriate treatments like pesticides and traps, and providing preventative measures to prevent future infestations, all while adhering to safety regulations and communicating with clients about pest control solutions. By applying to this job, you agree to receive initial texts from systems used on behalf of Rentokil North America, Inc., possibly including Workday, Loop, and HireVue.
NewPest Control Technician Thrive Brands LLCPest Control TechnicianMalvern, PA$20–$30 / hourPart timeThrough our comprehensive lawn and tree care, we work hard to make sure our customers have attractive, healthy, and cared-for green spaces to enjoy. • Career Growth & Development: Extensive training, continuing education, and opportunities to advance your career in turf management, lawn care, and plant health.
Pest Control Technician Western Pest ServicesPest Control TechnicianKennett Square, Pennsylvania$20–$25 / hourFull timeResponsibilities: If you are a positive professional who enjoys making personal connections with your customers, independence, having fun, and keeping homeowners and businesses in our area safe and healthy, then this is the job for you. Western Pest Services has partnered with Tri-State Pest Management , bringing two well respected brands together for excellence in Pest Services.
Commercial Pest Control Technician Orkin LLCCommercial Pest Control TechnicianMD$18.50–$20 / hourYou can count on a career with the Best in Pests where youll work alongside a team that values safety, professionalism, empathy, integrity and innovation in pursuit of our mission to deliver the peace of mind only an Orkin Pro can provide. Their career starts with in-depth, award-winning training that prepares them with the skills needed to succeed in the responsibility of daily route operations, scheduling, issue diagnosis and treatment planning.
Security Technician II – ATC Visitor Control Center (VCC) Support E LogicSecurity Technician II – ATC Visitor Control Center (VCC) SupportAberdeen Proving Ground, MDE-Logic is hiring a qualified Security Technician II to support the Visitor Control Center (VCC) at the U.S. Army Aberdeen Test Center (ATC) / Army Test and Evaluation Command (ATEC) located at Aberdeen Proving Ground (APG), Maryland . This position supports physical security operations through visitor processing, access control, badge issuance, and security clearance verification for personnel entering restricted areas.
Maintenance Controls Nissin Foods (USA) Co., Inc.Maintenance ControlsLancaster, Pennsylvania$34.66–$41.80 / hourFull timeShortly after, Nissin officially put down its roots in the U.S. In 1972, our Gardena, CA, plant started production of Top Ramen®—the first instant ramen manufactured and sold in the U.S. And ever since, Nissin Foods USA has launched a continuous stream of new and innovative products for hungry, noodle-loving Americans. We welcome quality folks to join Team Nissin and fulfill our mission to “make people happy by creating delicious, convenient and value-oriented Asian-inspired meal solutions.”
Pest Control & Insulation Technician Western Pest ServicesPest Control & Insulation TechnicianNewtown Square, Pennsylvania$20–$30 / hourFull timeCandidates must meet physical job requirements and safely perform the following job duties with or without accommodations as well as the ability to obtain the appropriate pesticide license within the first 90 days of employment (company paid): Safely use a ladder within the manufacturer's weight capacity. This unique position combines pest management services with insulation work to help protect homes and businesses from pests while improving energy efficiency and comfort.
Electrical Design & Controls Engineer SunSourceElectrical Design & Controls EngineerExton, PAThe ideal candidate combines strong electrical design skills with hands-on controls engineering experience and is capable of taking ownership of both electrical and controls deliverables for automation projects. Applied Controls is seeking an Electrical Design & Controls Engineer to support the design, programming, integration, and commissioning of custom automation, robotics, vision, and industrial control systems.
Manufacturing Controls Engineer – Night Shift ClariosManufacturing Controls Engineer – Night ShiftMiddletown, DEOur employees are actively involved in the community and support a variety of local organizations, including the Middletown/Odessa/Townsend Senior Center and local fire departments. . This is a night shift role (6:00 PM – 6:00 AM, 2-2-3 schedule), where you will be the primary engineering support on shift, partnering closely with maintenance technicians to ensure smooth operations.
Manufacturing Controls Engineer - Night Shift Clarios Global LPManufacturing Controls Engineer - Night ShiftMiddletown, DEOur employees are actively involved in the community and support a variety of local organizations, including the Middletown/Odessa/Townsend Senior Center and local fire departments. This is a night shift role (6:00 PM - 6:00 AM, 2-2-3 schedule), where you will be the primary engineering support on shift, partnering closely with maintenance technicians to ensure smooth operations.
Controls Project Manager 2 Johnson ControlsControls Project Manager 2West Chester, Pennsylvania$85,200–$118,000 / yearJohnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. Stay close to the jobsite and the customer by coordinating panel and field device locations, communicating technical and business issues clearly, and responding quickly to bulletin or schedule changes.
Protection and Control Supervisor (PJM, MISO, ISONY, NEISO) Vistra CorpProtection and Control Supervisor (PJM, MISO, ISONY, NEISO)Eddystone, PA$125,000–$135,000 / yearProvide Protection and Control (P&C) leadership, P&C Subject Matter Expert (SME) and support for Fossil Generation, including: Improve operation and maintenance of plant protective relaying and metering, troubleshoot emergent problems, provide field oversight, project management, SME guidance and assistance for P&C upgrades and capital improvement projects. Scope includes: NERC PRC-005-06 compliance, troubleshooting protective relays, breaker/transformer control circuits, sync circuits, protective relay communications, alarms, CT/PT verifications, AVRs, DFRs, and other measurement and metering devices.
Quality Control Tech I, D shift, 6:00p-6:30a Terumo Medical CorpQuality Control Tech I, D shift, 6:00p-6:30aElkton, MD$36,320–$49,940 / yearTesting performed typically includes: Mechanical testing (Instron), lubricity/durability testing (OakRiver), Dimensional testing (CMM, Digital measuring microscopes, Keyence, laser micrometer, calipers, micrometers, dial indicators, pin gauges, rulers, protractors), leak testing (Uson, Pressure gauges), etc. TMC places a premium on providing customers with world-class products, training and education programs that drive clear economic value, better clinical outcomes and improved quality of life for patients.
UXO Safety Officer/Quality Control Specialist - Hawthorne, NV Weston Solutions IncUXO Safety Officer/Quality Control Specialist - Hawthorne, NVWest Chester, PA$72,557–$95,767 / yearHigh School diploma plus 8 years experience in all phases of munitions response actions or range clearance activities, as appropriate for the contracted operation, and the transportation, handling and storage of munitions and commercial explosives. Performing General Physical Activities - Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials.
Quality Control Supervisor Dixon Valve & Coupling CoQuality Control SupervisorMD$65,000–$90,000 / yearYou will be the critical technical liaison between engineering and production, translating complex designs into manufacturable, high-quality components and embedding quality from the initial design. Micrometers, calipers, gage blocks, radius gages, ring and plug gauges, hardness testers, thread gauges, indicators, and protractors.
Protection & Control Tech- Liberty VistraProtection & Control Tech- LibertyEddystone, PennsylvaniaMaintenance of all Plant protective relaying and associated control circuits (including testing, calibration, functional tests, trouble shooting, and installation of upgrades), such as: ·Generator relaying ·Main Power Transformer, Unit Auxiliary Transformer, Start-up/Standby Transformer relaying ·All medium voltage switchgear relaying and transfer schemes ·Plant/Switchyard interface relaying ·Maintenance of Plant Metering: ·MWh metering calibrations and upgrade installations ·Voltage, current, watt, var, and frequency transducer calibrations and testing of associated equipment ·Maintenance of ancillary equipment: ·Emergency bearing oil pump test ·Current transformer meggar test ·Outage support: ·Interface with plant I&C personnel Education, Experience, & Skill Requirements . ·Interface with outside contractors ·Provide and/or support problem solving using trouble-shooting skills and recorder data ·Lead new installation wiring verification, checkout, and functional test ·Revise and maintain all associated drawings ·Conducts diagnostic tests on generation facilities’ electrical equipment (ie: Generator CTs, PTs, and ancilliary equipment).
Product Development Engineering Technician Advanced Cooling Technologies IncProduct Development Engineering TechnicianLancaster, PATechnicians may be called upon to provide practical design support, undertake tasks involving machining, system assembly and testing of prototype hardware and, ultimately, flight hardware. Technicians work closely with engineers, other technicians, quality control technicians and other vital team members to help develop and test hardware utilized in the aerospace industry.
QC Technician Synerfac Technical StaffingQC TechnicianSwedesboro, NJThis position supports laboratory quality operations by performing analytical testing, documenting results, and maintaining compliance with established procedures. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Synerfac Technical Staffing and our contracted partners.
Commercial Pest Technician Rentokil Initial plcCommercial Pest TechnicianPAYou will be responsible for identifying and eliminating pests from commercial properties by conducting thorough inspections, determining the type of pest infestation, applying appropriate treatments like pesticides and traps, and providing preventative measures to prevent future infestations, all while adhering to safety regulations and communicating with clients about pest control solutions. By applying to this job, you agree to receive initial texts from systems used on behalf of Rentokil North America, Inc., possibly including Workday, Loop, and HireVue.
Commercial Pest Technician TerminixCommercial Pest TechnicianAston, PennsylvaniaYou will be responsible for identifying and eliminating pests from commercial properties by conducting thorough inspections, determining the type of pest infestation, applying appropriate treatments like pesticides and traps, and providing preventative measures to prevent future infestations, all while adhering to safety regulations and communicating with clients about pest control solutions. By applying to this job, you agree to receive initial texts from systems used on behalf of Rentokil North America, Inc., possibly including Workday, Loop, and HireVue.
Manufacturing Technician GTT, LLCManufacturing TechnicianNewark, DEWorks with engineers on set-up and calibration tasks, as well as performing rework and quality testing related to the production of parts, components, subassemblies, and final assemblies. With a consistent focus on quality control, regulatory compliance, and technical documentation, this organization offers contract manufacturing roles to skilled professionals experienced with ERP systems and quality control instrumentation.
Maintenance HVAC-R Technician DuPont de Nemours IncMaintenance HVAC-R TechnicianNewark, DETo set you up for success in this role from day one, DuPont requires (at a minimum) the following qualifications: • Possess a High School Diploma/GED • Three (3) years' maintenance experience working on industrial or commercial HVAC equipment. • Complete mechanical installations, inspections, and other maintenance tasks for HVAC units, hoses, pumps, motors, cylinders, solenoids, relief devices, pressure vessels, piping, chillers and other machines or types of equipment.
Manufacturing Maintenance Technician Mapei SpAManufacturing Maintenance TechnicianNJ$27–$30 / hourYou will be responsible for diagnosing, repairing, and maintaining vital production equipment, including industrial blenders, mixers, packaging systems (both automated and manual), robotic machinery, pumps, valves, and pressure vessels. Join MAPEI Corporation, a global leader in the manufacturing of construction chemicals and building materials, including adhesives, sealants, and specialty products used in flooring, tile, and concrete restoration.
Cardiovascular Invasive Support Technician - full time, days Penn MedicineCardiovascular Invasive Support Technician - full time, daysLancaster, PALoading job Back to Search Results Previous Opportunity Cardiovascular Invasive Support Technician - full time, days Job ID: 303161 Category: Technician/Technologists Work Type: FT Location: Lancaster, PA, United States Description Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Documents all stages of specimen collection in required computer systems including investigating orders, "receiving" specimens, canceling tests, running collection lists, entering and or transmitting results and producing and using reconciliation reports.
Manufacturing Technician GTTManufacturing TechnicianNewark, DEThe Manufacturing Technician is responsible for testing, calibrating, and repairing production machines and related subassemblies according to written and verbal specifications. GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska.
Maintenance Technician Snelling Staffing DFWMaintenance TechnicianMalvern, PAPerform preventative maintenance inspections of plant equipment such as conveyors, water heaters, HVAC, water pumps, heat exchangers, evaporators, fans and powered industrial equipment. This position is required to be on the shop floor the bulk of the time to continually interact with the Line Leads and Machine Operators as well as to observe and hear the performance of the machines to identify potential issues as early as possible.
Assembly Technician - 2nd Shift Regal Rexnord CorpAssembly Technician - 2nd ShiftWest Chester, PAThe Company's end markets benefit from meaningful secular demand tailwinds, and include factory automation, food & beverage, aerospace, medical, data center, warehouse, alternative energy, residential and commercial buildings, general industrial, construction, metals and mining, and agriculture. The Company's automation offering, comprised of controls, actuators, drives, and precision motors, controls motion in applications ranging from factory automation to precision control in surgical tools.