Ключевые слова: alloy, aluminum, assembling, background, bolts, chrome, close, construction, design, drive, equipment, fix, gear, gray, hand, hard, hex, hexagon, industrial, instrument, isolated, key, loosening, maintenance, manual, manufacturing, mechanic, metal, object, screw, service, shiny, silver, size, socket, square, standard, surface, thanksgiving, tightening, tool, turn, twist, used, white, wrench,