Fitters must know of and use cutting torches, measuring tapes, calculators, levels, man-lifts, high-reach equipment, welding machines, chipping hammers, pressure chippers, power grinders, etc. Perform mathematical calculations, addition, subtraction, multiplication, division, angles, etc., Measure, cut, fit, and install structural/pipe plate, pipe material, beams, plate, pipe, etc., per blueprint and job specifications.