TruckPro LLCNewAccount Manager / Outside Sales - Aftermarket Heavy Duty Truck Parts TruckPro LLCAccount Manager / Outside Sales - Aftermarket Heavy Duty Truck Parts080 Countryside, IL$60,000–$70,000Reasonable accommodations may be made to enable individuals with disabilities to perform the primary duties: Walk for extended periods, stand for long stretches on various surfaces, lift moderate weight with occasional frequency, reach, bend, and drive for long distances. TruckPro is seeking an Account Manager - Outside Sales for Aftermarket Truck & Trailer Parts who is responsible for promoting and selling heavy-duty truck and trailer parts to customers in a designated territory.
JobotNewOutside Sales Representative - Protective Packaging Solutions JobotOutside Sales Representative - Protective Packaging SolutionsChicago, IL$90,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This organization is a well-established player in the packaging and logistics space, specializing in custom corrugated boxes and protective packaging solutions used across industries like manufacturing, food, and consumer goods.
JobotNewOutside Sales Representative--Medical Offices JobotOutside Sales Representative--Medical OfficesBolingbrook, IL$70,000–$120,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You will be a pivotal part of our sales team selling our services into medical facilities, responsible for the entire sales process including driving growth and revenue by identifying, nurturing, and qualifying leads.
VertivNewHVM-Sr. Sales Engineer - Technical - Midwest VertivHVM-Sr. Sales Engineer - Technical - MidwestChicago, IL$121,767–$152,205The Senior Sales Engineer - Technical will be asked to mentor Associate Sales Engineers, Inside Sales Engineers or Sales Engineers in the technical aspects, sales skills, marketing functions, business related activities and other skill sets required of field Sales Engineers. Customer Focus – Is dedicated to meeting the expectations and requirements of internal and external customer; Gets first-hand customer information and uses it for improvements in products and services; Acts with customers in mind; Establishes and maintains effective relationships with customers and gains their trust and respect.
Roadsafe Traffic SystemsNewOutside Sales Representative Roadsafe Traffic SystemsOutside Sales RepresentativeWoodridge, IL$70,000–$75,000 / hourIdentify new product opportunities and concepts, working closely with the Sales Team and Operations to provide detailed information for customized products. Drive revenue and profitability through proactive sales efforts and exceptional customer service, including outreach to potential new clients.
System OneNewOutside Sales Representative - Chicago, IL System OneOutside Sales Representative - Chicago, ILChicago, IL$39,600–$92,400 / yearDrive sales growth by leveraging deep product knowledge to educate potential customers on POS systems and online ordering platforms, converting leads into loyal clients through personalized consultative selling strategies. Build and nurture relationships by scheduling in-person appointments at clients’ restaurants/businesses to demonstrate the value of Clover and BentoBox solutions for streamlining operations and boosting revenue.
West Side Tractor SalesParts Counter Sales Representative West Side Tractor SalesParts Counter Sales RepresentativeSouth Holland, ILStay Ahead of the Curve: We're committed to your development, offering hands-on experience to stay current with the latest John Deere technology and industry trends. Order Management: Follow up on orders, handle shortages, and make sure customers get their parts as quickly as possible.
Hines SupplyNewOutside Sales Representative Hines SupplyOutside Sales RepresentativeAlsip, IL$50,000–$150,000Founded in 1892, Hines operates multiple locations throughout Illinois, including millwork, wall panel and truss manufacturing facilities, providing specialty building products to customers in Chicagoland and across Illinois, lower Wisconsin and Northern Indiana. Communicates Effectively - Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
RoadSafe Traffic SystemsNewOutside Sales Representative RoadSafe Traffic SystemsOutside Sales RepresentativeWoodridge, IL$70,000–$75,000 / yearIdentify new product opportunities and concepts, working closely with the Sales Team and Operations to provide detailed information for customized products. Drive revenue and profitability through proactive sales efforts and exceptional customer service, including outreach to potential new clients.
Hines SupplyNewOutside Sales Representative - Roofing and Siding Hines SupplyOutside Sales Representative - Roofing and SidingWest Chicago, IL$75,000–$200,000Founded in 1892, Hines operates multiple locations throughout Illinois, including millwork, wall panel and truss manufacturing facilities, providing specialty building products to customers in Chicagoland and across Illinois, lower Wisconsin and Northern Indiana. Communicates Effectively - Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
Edward Don & CompanyNewInside Outside Sales Representative Edward Don & CompanyInside Outside Sales RepresentativeWoodridge, ILDirect a total effort to achieve the Territory/District sales goals and objectives and to sell the organization’s products by interacting with established customers and developing new prospects. Preferred: Bachelor's Degree with a minimum of 2 years experience in a similar customer service/ sales focused role (B2B foodservice) and previous knowledge and/or experience working with SAP.
TruGreenField Sales Representative - Uncapped Commisions & Benefits! TruGreenField Sales Representative - Uncapped Commisions & Benefits!Midlothian, IL$875–$1,200California Residents: When you express interest in or apply for a job with TruGreen Limited Partnership, we collect personal information about you, potentially including personal identifiers, contact information, protected classifications, pre-hire information, professional or employment-related information, education history, and/or medical information, for the following business purposes: to comply with state and federal law and regulations requiring employers to maintain certain records; to evaluate your job application and candidacy for employment; and to obtain and verify background checks (including criminal and motor vehicle records), pre-employment drug testing, and references. Equipped with expertise, enthusiasm, and commitment to TruGreen’s proven Sales Playbook, you’ll provide tailored services right at their doorsteps, turning casual interactions into lasting customer relationships.
Morgan Services, Inc.Medical Sales Representative / Account Manager Morgan Services, Inc.Medical Sales Representative / Account ManagerChicago, IL$48,170.30–$58,011.54 / yearMaintain a CRM database with daily updates on client interactions and territory management activities. Regularly visit clients and potential clients to promote products and services.
JobotNewSales Executive - Manufacturing - Hybrid JobotSales Executive - Manufacturing - HybridHammond, IN$75,000–$90,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The Sales Executive for our business will wear multiple hats including business development, marketing, visits to our plant in Hammond, and networking around Chicagoland.
Erie HomeNewErie Home - Outside Sales Representative Erie HomeErie Home - Outside Sales RepresentativeLombard, IL$125,000–$250,000Ranked Top 10 on the Qualified Remodeler Top 500 list and recognized as one of the Fastest Growing Companies on the INC 5000 list, we’re expanding nationwide and looking for top sales talent to join us. Our exclusive, industry-leading roofing systems provide unmatched durability, energy efficiency, and curb appeal—giving homeowners a solution they can’t find anywhere else.
Erie HomeNewOutside Sales Representative Erie HomeOutside Sales RepresentativeLombard, IL$125,000–$250,000Ranked Top 10 on the Qualified Remodeler Top 500 list and recognized as one of the Fastest Growing Companies on the INC 5000 list, we’re expanding nationwide and looking for top sales talent to join us. Our exclusive, industry-leading roofing systems provide unmatched durability, energy efficiency, and curb appeal—giving homeowners a solution they can’t find anywhere else.
LokaNewSales Associate (Formerly Engineer or Cloud AM) LokaSales Associate (Formerly Engineer or Cloud AM)Chicago, IL$90,000–$120,000 / yearMinimum of 3+ years of technical experience in engineering, AI/ML, data science, product management, solution architecture, sales engineering or a related field OR equivalent experience in a priority vertical such as Healthcare or Life Sciences. Your engineering and/or cloud account management experience is more important than your sales record: The former builds the kind of knowledge you’ll need to hit the ground running; the latter you’ll earn along the way.
LokaNewAssociate Sales Lead LokaAssociate Sales LeadChicago, IL$90,000–$120,000 / yearMinimum of 3+ years of technical experience in engineering, AI/ML, data science, product management, solution architecture, sales engineering or a related field OR equivalent experience in a priority vertical such as Healthcare or Life Sciences. Your engineering and/or cloud account management experience is more important than your sales record: The former builds the kind of knowledge you’ll need to hit the ground running; the latter you’ll earn along the way.
LokaNewAM or Engineer Moving to Sales Associate LokaAM or Engineer Moving to Sales AssociateChicago, IL$90,000–$120,000 / yearMinimum of 3+ years of technical experience in engineering, AI/ML, data science, product management, solution architecture, sales engineering or a related field OR equivalent experience in a priority vertical such as Healthcare or Life Sciences. Your engineering and/or cloud account management experience is more important than your sales record: The former builds the kind of knowledge you’ll need to hit the ground running; the latter you’ll earn along the way.
Versa NetworksNewSr. Director of MSP/MSSP Channel Sales - Remote Versa NetworksSr. Director of MSP/MSSP Channel Sales - RemoteChicago, ILRemote$300,000–$360,000 / yearThis leader will bring an established network (“Rolodex”) of executive relationships across top MSPs/MSSPs and will build, mentor, and drive a team of Channel Account Executives to accelerate revenue growth through strategic partners. Team LeadershipLead, coach, and scale a team of Channel Account Executives across the U.S. Establish clear territory, partner coverage, and accountability models.
MotiveNewSenior Director, Mid-Market Sales & Account Management - Remote MotiveSenior Director, Mid-Market Sales & Account Management - RemoteChicago, ILRemoteMotive serves more than 120,000 customers – from Fortune 500 enterprises to small businesses – across a wide range of industries, including transportation and logistics, construction, energy, field service, manufacturing, agriculture, food and beverage, retail, and the public sector. Collaborate with Product, Sales, Onboarding, and Strategy leaders to identify customer needs, influence roadmap decisions, and design cohesive sales programs, incentive plans, and GTM strategies that connect across global functions for a seamless customer journey.
Performance HealthSales Implementation Manager Performance HealthSales Implementation ManagerWarrenville, IL$70,000–$80,000 / yearThis position serves as a primary point of accountability for implementation execution, customer readiness, launch coordination, and ongoing success management, particularly for large strategic accounts supported by National Accounts. A significant portion of the role focuses on score carding, customer success metrics, and quarterly business reviews, providing insights and visibility to sales leadership.
BlendNewSales Engineer - Enterprise - Remote BlendSales Engineer - Enterprise - RemoteChicago, ILRemote$97,000–$114,000 / yearideal candidates have experience selling loan origination software, digital account opening, digital lending, mortgage focused solutions and have experience working with Top 50 Banks and or Credit Unions with a focus on retail banking. Account Strategy & Expansion (50%): Develop and execute account strategies to drive revenue growth, targeting 10-15%annual expansion (e.g., additional licenses, premium modules).Own and Plan Renewal Strategies designed to uplift PFL, drive revenue and encourage Blend usage.
BlendNewSales Executive - New Logo (Named Accounts) - Remote BlendSales Executive - New Logo (Named Accounts) - RemoteChicago, ILRemote$125,000–$150,000 / yearThis role is a strategic, enterprise sales position focused on originating, developing, and closing complex, multi-stakeholder deals with some of the most sophisticated financial institutions in the U.S. Reporting to the Director of Sales - Named, you will own the full sales cycle - from account targeting and executive engagement through deal negotiation and close - working closely with Product, Solution Engineering, Marketing, and Executive Leadership. The Sales Executive – New Logo (Named Accounts) is responsible for driving net-new customer acquisition across the largest target financial institutions - Banks and Credit Unions with $20B+ in assets under management (AUM).
Safe Haven SecurityOutside Sales Rep- Paid Weekly- Paid Training Safe Haven SecurityOutside Sales Rep- Paid Weekly- Paid TrainingOak Brook, IL$65,000–$110,000Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions: Willingness to work outside 90% of the time for extended periods in any season, with potential exposure to inclement weather. Our mission is to provide peace of mind and protection to families across the country, and we achieve this by offering cutting-edge security solutions and exceptional customer service.
Weichert, RealtorsReal Estate Sales Agent Weichert, RealtorsReal Estate Sales AgentHighland, INWhether you’re new to real estate or a seasoned closer, we provide proven sales training, advanced technology, and ongoing support to help you grow your pipeline, close more deals, and maximize your income. Backed by the Weichert® brand, we combine local market expertise with national resources, proven systems, and powerful sales tools to help our agents close more deals and deliver exceptional client experiences.
WunderkindNewProgrammatic Sales Director WunderkindProgrammatic Sales DirectorChicago, IL$280,000–$300,000 / yearAs a Programmatic Sales Account Director you will drive demand for Wunderkind display & video ad inventory from agencies & advertisers across east coast accounts, ultimately meeting/exceeding revenue goals by: Developing a holistic understanding of the Wunderkind product offering and how its differentiation can best serve your clients needs. Wunderkind is looking for a top-performing Programmatic Sales Director to work a specified list of agency, trading desk, brand and DSP accounts across the larger midwest region.
Komodo HealthNewSenior Sales Engineer, Partnerships Komodo HealthSenior Sales Engineer, PartnershipsChicago, ILRemote$164,000–$222,000 / yearAcross the healthcare ecosystem, we’re helping our clients unlock critical insights to track detailed patient behaviors and treatment patterns, identify gaps in care, address unmet patient needs, and reduce the global burden of disease. We carefully consider multiple business-related factors when determining compensation, including job-related skills, work experience, geographic work location, relevant training and certifications, business needs and market demands.
United RentalsNewOutside Sales Rep United RentalsOutside Sales RepLynwood, IL$70,000–$110,000 / yearIf you'd like the chance to make your mark with the world's largest equipment rental provider, come build your future with United Rentals! We're an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That's why we offer best-in-class benefits and perks that will support you and your family.
Combined InsuranceNewAgency Sales Coordinator Combined InsuranceAgency Sales CoordinatorOak Brook, ILThat includes building lasting Customer relationships, making sales presentations to new and current Customers, and supporting new agents in the field. The income range associated with this posting represents the potential earnings available to you as a sales leader through personal compensation and incentive bonuses on team production, it is not a guaranteed salary.
Pyramid Consulting, IncSales Manager Pyramid Consulting, IncSales ManagerChicago, ILSkills: Sales, Business Development, Account Management, Farming, Hunting, IT Staffing, Managed Services, SOW, Team as a Service, HTD/Upskilling, Bestshoring (Onshore/Nearshore/Offshore), Direct Sourcing Platform, MSP, Procurement. This role is responsible for acquiring new clients, expanding existing accounts, leading regional sales initiatives, and driving strategic staffing partnerships across multiple industries.
AshleyNewFurniture Retail Sales Associate AshleyFurniture Retail Sales AssociateMerrillville, IN$22,880–$300,000Compensation: Minimum annualized pay is $22,880 for full-time employees (who receive only hourly pay their first two weeks), plus biweekly incentive pay based on attainment of written sales, with no maximum earnings, and bonus potential for attainment of specified sales goals. After an initial two-week training period, eligible employees can earn commissions and incentives on sales, bonuses, and other weekly and monthly incentives based on sales performance, with no maximum earnings.
AshleyNewRETAIL SALES ASSOCIATE AshleyRETAIL SALES ASSOCIATEMerrillville, IN$22,880–$300,000Compensation: Minimum annualized pay is $22,880 for full-time employees (who receive only hourly pay their first two weeks), plus biweekly incentive pay based on attainment of written sales, with no maximum earnings, and bonus potential for attainment of specified sales goals. After an initial two-week training period, eligible employees can earn commissions and incentives on sales, bonuses, and other weekly and monthly incentives based on sales performance, with no maximum earnings.
AshleyNewFurniture Sales Associate AshleyFurniture Sales AssociateMerrillville, IN$22,880–$300,000Compensation: Minimum annualized pay is $22,880 for full-time employees (who receive only hourly pay their first two weeks), plus biweekly incentive pay based on attainment of written sales, with no maximum earnings, and bonus potential for attainment of specified sales goals. After an initial two-week training period, eligible employees can earn commissions and incentives on sales, bonuses, and other weekly and monthly incentives based on sales performance, with no maximum earnings.
AshleyNewCommission Sales Associate - Furniture AshleyCommission Sales Associate - FurnitureMerrillville, IN$22,880–$300,000Compensation: Minimum annualized pay is $22,880 for full-time employees (who receive only hourly pay their first two weeks), plus biweekly incentive pay based on attainment of written sales, with no maximum earnings, and bonus potential for attainment of specified sales goals. After an initial two-week training period, eligible employees can earn commissions and incentives on sales, bonuses, and other weekly and monthly incentives based on sales performance, with no maximum earnings.
Herc Rentals IncTerritory Sales Representative (Pumps) Herc Rentals IncTerritory Sales Representative (Pumps)Joliet, IL$75,000–$85,000 / yearFounded in 1965, Herc Rentals is one of the leading equipment rental suppliers in North America with 2025 total revenues reaching approximately $4.4 billion. Please be advised that the actual salary offered for any position is subject to the company's sole discretion and may be influenced by various factors, including but not limited to the candidate's qualifications, experience, location, and overall fit for the role.
MotiveNewDirector, SMB Sales & Account Management - Remote MotiveDirector, SMB Sales & Account Management - RemoteChicago, ILRemote$198,000–$301,000 / yearMotive serves more than 120,000 customers – from Fortune 500 enterprises to small businesses – across a wide range of industries, including transportation and logistics, construction, energy, field service, manufacturing, agriculture, food and beverage, retail, and the public sector. Motive is seeking a Director of SMB Expansion Sales & Account Management to drive growth across our existing small and medium-sized customer base through outbound sales, while also reducing churn among escalated accounts at risk of cancellation or contraction.
SchneiderNewInside Sales Representative SchneiderInside Sales RepresentativeChicago, IL$21.60–$27Schneider is seeking an Inside Sales Representative in Chicago, IL to close deals with new businesses and manage existing accounts within Schneider's Transportation Management (STM) division. This diversity and openness ensures all associates have equal access to opportunities and resources to contribute fully to the organization's success, and it fuels innovation, improves strategic thinking and cultivates leadership.
American SaleNewSenior Sales Consultant American SaleSenior Sales ConsultantCarol Stream, IL$65,000–$95,000 / yearOur customers invest in high-quality, big-ticket items such as pools, spas, patio furniture, and luxury outdoor living products, and we’re seeking experienced, driven sales professionals who can match that level of sophistication. If you have a proven track record of 5+ years in consultative or luxury sales, thrive in a competitive environment, and are motivated by uncapped earning potential, this role is designed for you.
System OneNewSales Representative System OneSales RepresentativeChicago, ILRemote$90,000–$90,000 / yearIncrease regional sales revenue and market share in industrial containers through strategic account management, new business development, and strong customer relationships. Coordinate with production, engineering, logistics, and customer service teams to ensure timely delivery, high product quality, and excellent post-sale support.
SchneiderNewCDL-A - Dedicated truck driver - Syndicate Sales SchneiderCDL-A - Dedicated truck driver - Syndicate SalesChicago, IL$1,310–$1,600This diversity and openness ensures all associates have equal access to opportunities and resources to contribute fully to the organization's success, and it fuels innovation, improves strategic thinking and cultivates leadership. All-encompassing pay packages – Your pay includes all facets of the exact job you do, plus eligible annual pay increases and performance pay.
Atlas Toyota Material Handling, LLCNewBobcat Sales Representative Atlas Toyota Material Handling, LLCBobcat Sales RepresentativeBourbonnais, IL$65,000–$100,000 / yearAs a leader in the compact equipment industry, Atlas Bobcat takes pride in providing exceptional quality service for heavy-duty, compact equipment in the Chicagoland area. Careers at Atlas Lift | Jobs in Material Handling & Equipment Services | Atlas Companies | Equipment Sales | Chicago, Minnesota, Wisconsin & Indiana.
Spencer Gifts - Spirit HalloweenDistrict Sales Manager - Spirit Spencer Gifts - Spirit HalloweenDistrict Sales Manager - SpiritMidlothian, IL$1,050–$1,075 / weekThe District Sales Manager is responsible for all aspects of the store operation (average 3 stores) including, sales, payroll recruiting, training, employee relations, expense control, shrink and all related functions. The physical demands of the job require in excess of 8 hours of standing, walking, climbing ladders, setting up fixtures, lifting and moving up to 50 pounds.
ShowpadNewDirector of Sales, New Business ShowpadDirector of Sales, New BusinessChicago, ILFounded in 2011, Showpad is a global company with 500+ people (post-merger) working from offices and regional hubs around the world including Chicago, Boston, Ghent, London, Munich, Brussels, San Francisco, and Sydney. The ideal candidate is a proven enterprise sales individual contributor, ideally with a background in martech or sales enablement, who has stepped into team leadership and is ready to take their management career to the next level.
Komodo HealthNewAccount Executive - AVP, Sales (Consultant Partnerships) Komodo HealthAccount Executive - AVP, Sales (Consultant Partnerships)Chicago, ILRemote$140,000–$180,000 / yearAcross the healthcare ecosystem, we’re helping our clients unlock critical insights to track detailed patient behaviors and treatment patterns, identify gaps in care, address unmet patient needs, and reduce the global burden of disease. Expanding our partnership business, effectively engaging consultants that work within the life science space, proposing the appropriate suite of Komodo solutions to deliver value against an expansive set of high-priority Customer needs.
Komodo HealthNewAccount Executive - AVP, Sales (Payer/Provider/Tech Partnerships) Komodo HealthAccount Executive - AVP, Sales (Payer/Provider/Tech Partnerships)Chicago, ILRemote$140,000–$180,000 / yearExpanding our Technology Partnerships business, effectively engaging audiences across Payer, Provider and Health Tech segments and proposing the appropriate suite of Komodo solutions to deliver value against an expansive set of high-priority Customer needs. Across the healthcare ecosystem, we’re helping our clients unlock critical insights to track detailed patient behaviors and treatment patterns, identify gaps in care, address unmet patient needs, and reduce the global burden of disease.
Komodo HealthNewSenior Sales Engineer (HealthTech) Komodo HealthSenior Sales Engineer (HealthTech)Chicago, ILRemote$151,000–$208,000 / yearAcross the healthcare ecosystem, we’re helping our clients unlock critical insights to track detailed patient behaviors and treatment patterns, identify gaps in care, address unmet patient needs, and reduce the global burden of disease. We carefully consider multiple business-related factors when determining compensation, including job-related skills, work experience, geographic work location, relevant training and certifications, business needs and market demands.
V-Soft Consulting Group IncServiceNow Sales Executive V-Soft Consulting Group IncServiceNow Sales ExecutiveChicago, IllinoisInternExpectations Upon Hire:Outbound cold calls, lead follow up, in person and virtual Teams meetings, competitive analysis, trade shows and follow up activity expected. Job Responsibilities:Build a solid sales funnel by actively hunting new ServiceNow prospects via LinkedIn, ZoomInfo, LinkedIn connections, internal leads, and prior connections.
CorpayNewDirector of Strategic Sales CorpayDirector of Strategic SalesChicago, ILRemote$180,000–$220,000 / yearWhere a position or applicant may fall in a particular wage range depends on a number of factors including but not limited to skill sets, experience, training, licenses and certifications (if applicable), and other business and organization needs. At Corpay it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions depend on the facts and circumstances of each case.
Gables Search GroupNewTechnical Field Service Sales Rep - Commercial Laundry Chemicals Gables Search GroupTechnical Field Service Sales Rep - Commercial Laundry ChemicalsChicago, IL$70,000–$105,000We are seeking commercial laundry experienced candidates for a Technical Field Service Sales Rep role with a growing company that manufacturers and supplies industrial laundry chemicals for linen service or uniform service plant clients in the Chicago/Hammond area (Chicago's south side, southeast and southwest, to northwest Indiana)Job Summary:This remote/travel position involves working within your assigned territory, providing technical solutions for plant operations, identifying sales opportunities, and fostering long-term relationships with customers. Ability to meet physical demands of the job: Lifting up to 50 pounds, frequently required to stand and walk, environment will include wet or humid conditions, working near moving mechanical parts, exposure to chemicals, and loud noises.