Ключевые слова: art, blue, circle, construction, cut, cutting, drive, engineering, equipment, fabrication, factory, flash, gas, hand, horizontal, industrial, industry, iron, light, machine, man, manufacturing, material, metal, occupation, one, orange, plant, power, protection, safety, saw, sawing, security, spark, sparks, spring, steel, strength, technology, texture, tool, tools, torch, weld, welding, wheel, work, worker, works,