Ключевые слова: abstract, advertisement, background, black, bright, cad, cae, cam, center, centering, clean, closeup, cnc, computer, condensation, control, engine, engineer, engineering, extrude, feeder, forming, glass, gray, grey, iron, lathe, lathing, light, machine, machining, macro, material, mechanical, milling, numeracal, part, pattern, point, ratate, raw, roughness, round, rusty, shiny, stainless, steel, surface, texture, white,