Ключевые слова: architecture, beam, building, concrete, construction, cover, danger, dangerous, design, equipment, fabricate, harness, hat, head, height, helmet, housekeep, impact, industry, install, instrument, job, level, licence, load, logistic, machine, malaysia, material, platform, pressure, pump, reinforce, reinforcement, risk, safety, selangor, shock, site, slab, speed, steel, structure, support, team, trade, vibrator, work, workers,