Ключевые слова: architecture, bar, barricade, beam, building, carpenters, column, concrete, construction, contact, contract, cover, danger, dangerous, debris, equipment, fabricate, fall, formwork, hammer, harness, hat, head, helmet, housekeep, impact, industry, instrument, level, logistic, machine, malaysia, nail, object, platform, plywood, reinforce, reinforcement, risk, safety, scaffolding, selangor, shock, site, steel, structure, support, team, timber, trade, work, workers,