Ключевые слова: activity, architect, assistant, boilersuit, builder, building, busy, carpenter, child, childhood, concept, construction, development, education, engineer, engineering, equipment, expert, fun, future, girl, hammer, happy, hard hat, helmet, improve, industry, initiative, inspector, interesting, job, kid, labor, laborer, labour, learning, manager, mechanic, professional, renovation, repairing, research, safety, site, teen, teenager, tool, work, worker, workshop,