Ключевые слова: abstract, backdrop, backgrounds, blue, bolt, business, carpenter, carpentry, chrome, closeup, collection, construction industry, design, engineer, engineering, equipment, illustration, indoors, industry, isolated, material, mechanic, metal, metallic, nail, occupation, pattern, plumber, repairing, repairman, ruler, screw, screwdriver, service, set, shiny, sign, single object, spanner, steel, symbol, table, technology, toolbox, wood, work tool, working, workshop, wrench,