Controller

Controllers are expected to be good at:
- Using either control mechanisms or direct physical activity to operate manufacturing systems.
- Working with hand operated industrial machines and power tools.
- Adjusting knobs, levers, and physical or touch sensitive buttons in industrial devices.
- Running, maneuvering, navigating, or driving vehicles or mechanized equipment, such as forklifts, passenger vehicles, aircraft, or watercraft.
Technician

Technicians will often be asked these tasks:
- Providing documentation, detailed instructions, drawings, or specifications to tell others about how devices, parts, equipment, or structures are to be fabricated, constructed, assembled, modified, maintained, or used.
- Using computers and computer systems (including hardware and software) to program, write software, set up functions, enter data, or process information.
- Servicing, repairing, calibrating, regulating, fine-tuning, or testing machines, devices, and equipment that operate primarily on the basis of electrical or electronic (not mechanical) principles.
Other work activities related to Gas compressor and gas pumping station operators
- Monitoring meters and pressure gauges for determining consumption rate variations, temperatures, and pressures.
- Adjusting valves and equipment for obtaining specified performance.
- Reading gas meters, and maintaining records of the amounts of gas received and dispensed from holders.
- Operating power-driven pumps for transferring liquids, semi liquids, gases, or powdered materials.
- Recording instrument readings and operational changes in operating logs.
- Moving controls and turning valves for starting compressor engines, pumps, and auxiliary equipment.
- Turning knobs or switches to regulating pressures.
- Responding to problems by adjusting controlling room equipment or instructing other personnel for adjusting equipment at problem locations or in other controlling areas.
- Taking samples of gases and conducting chemical tests for determining gas quality and sulfur or moisture content, or sending samples to laboratories for analysis.
- Cleaning, lubricating, and adjusting equipment, and replacing filters and gaskets, using hand tools.