Ключевые слова: background, beard, bearded, board, boards, builder, building, caucasian, concentrated, concept, construction, constructor, contractor, drill, drilling, expression, face, guy, helmet, industrial, isolated, job, labor, laborer, man, mature, moustache, occupation, professional, progress, repair, repairing, skill, skills, tool, uniform, unshaven, use, white, wood, wooden, work, worker, yellow,