This industry group comprises establishments primarily engaged in manufacturing pumps and compressors, material handling equipment, and all other general purpose machinery. Included in this industry group are the manufacture of measuring and dispensing pumps, elevators and moving stairways, conveyors and conveying equipment, overhead traveling cranes, hoists, and monorail systems, industrial truck, tractor, trailer and stacker machinery, power-driven handtools, welding and soldering equipment, packaging machinery, industrial process furnaces and ovens, fluid power cylinders and actuators, scales and balances, etc.