Ключевые слова: abstract, black, blackboard, board, building, business, chalk, chalkboard, closeup, color, concept, construction, day, equipment, group, happy, holiday, horizontal, image, industrial, industry, labor, maintenance, material, metal, nature, object, pallet, pattern, plank, rack, repair, retail, retro, rough, sign, still, supply, table, text, tool, transportation, vintage, wall, warehouse, white, wood, wooden, workout,