Use this domain for words related to working with machines.
390 Capital Goods Industry
391 Hardware Manufacture
392 Machine Industries
393 Electrical Supplies Industry
394 Manufacture of Heating and Lighting Appliances
395 Manufacture of Optical and Photographic Equipment
397 Railway Equipment Industry
398 Manufacture of Vehicles
399 Aircraft Industry
719 Munitions Industries
What words refer to working with machines?
What words refer to machines?
machine, machinery, hardware, computer
What words refer to a person who works with machines?
mechanic, machinist, operator, engineer