These include (but are not limited to): all routine maintenance, non-routine maintenance, and repairs for stationary equipment such as buildings, tanks, and piping as well as for rotating equipment like valves with manual, electric, or pneumatic operators; submersible and long-axial mixers, centrifugal and positive displacement pumps and blowers; both screw- and piston compressors in either air or biogas service; hydraulic pumps and electric motors; and a variety of both mechanical and electronic instrumentation and analytical equipment including level indicators, flow meters, gas detectors, gas chromatographs and spectrometers. Field work will include work outside and exposed to the weather, high elevations, confined spaces, electrical components, both stationary and rotating equipment, manure and other agricultural wastes, gases and liquids that are compressed/pressurized, toxic, caustic, or acidic, and/or flammable, dust, exposure to high heat/cold weather, high winds, and high noise.