Assisted the Pipe Fitter assembling and installing piping for air, ammonia, gas and water systems by cutting and drilling holes using pneumatic drills (jobhero.com)
It can take pneumatic drills, diamond - tipped saws and months of work to extract bones from this type of rock, he says. (sciencenews.org)
Assists Pipe Fitter to assemble and install piping for air, ammonia, gas, and water systems: Cuts or drills holes in walls to permit passage of pipes, using pneumatic drill. (jobhero.com)