Ключевые слова: adjustable, apprentice, apprenticeship, camera, caucasian, central, drill, education, engineer, fifties, fixing, flooring, heating, home, horizontal, house, improvement, indoors, industry, installing, instructing, instructor, learning, male, men, occupation, overalls, people, plumber, portrait, radiator, repairing, servicing, smoking pipe, together, trail, training, two, working,