What they do, according to O*NET: Use machines to install roof bolts in mines.What they do, according to O*NET: Operate pile-drivers that install piles for building foundations and other construction projects.What they do, according to O*NET: Inspect buildings and other structures to make sure they are in safe condition and comply with building codes and other regulations.What they do, according to O*NET: Assist occupational therapists in treatments and other procedures.What they do, according to O*NET: Install or repair electronics equipment for trains or other vehicles.What they do, according to O*NET: Supervise production workers and machine operators.What they do, according to O*NET: Operate boilers or similar machinery to provide heat or other utilities to buildings or for industrial processes.What they do, according to O*NET: Plan and make wooden patterns for forming sand molds for castings.What they do, according to O*NET: Patrol a designated area to enforce laws and prevent crime. What they do, according to O*NET: Control chemical processes or operate machinery that regulates chemical reactions. What they do, according to O*NET: Build and maintain steam boilers and related equipment.What they do, according to O*NET: Inspect buildings for fire hazards and to enforce fire ordinances, or investigate fires to find their causes.What they do, according to O*NET: Repair and maintain aircraft and their engines.What they do, according to O*NET: Supervise correctional officers, prison guards, and jailers.What they do, according to O*NET: Repair and maintain avionics systems on aircraft, like radios, radar, and guidance systems.What they do, according to O*NET: Supervise construction or extraction workers.What they do, according to O*NET: Supervise mechanics, installers, or repairers.What they do, according to O*NET: Repair and maintain the signal and track-switching equipment that guides trains in railroad systems.What they do, according to O*NET: Operate oil refining and pumping systems.What they do, according to O*NET: Install and repair electrical lines for power distribution systems.What they do, according to O*NET: Operate equipment that distributes natural gas for power plants and other utilities.What they do, according to O*NET: Protect transit equipment, employees, and passengers.What they do, according to O*NET: Supervise fire fighters and other fire prevention workers.What they do, according to O*NET: Operate electrical power generation equipment.What they do, according to O*NET: Install, repair, and maintain freight and passenger elevators in buildings.What they do, according to O*NET: Maintain and repair electrical equipment in power plants, substations, or other electrical distribution facilities.What they do, according to O*NET: Run investigations to solve criminal cases or prevent crimes.What they do, according to O*NET: Operate equipment that distributes electrical power or steam.What they do, according to O*NET: Supervise members of a police force.What they do, according to O*NET: Operate and maintain nuclear reactors in power plants.