Ключевые слова: accident, action, aid, belt, cable, casualty, cement, climbing, connection, crane, damage, danger, dead, electric, electrician, energy, engineering, first, gloves, harm, hat, hazard, heip, helmet, high, hook, hydraulic, inflexible, job, labor, lifeless, line, lineman, lost, machine, mishap, pillar, platfrom, pole, post, practice, professional, repair, rescue, risk, rope, safety, service, simulation, steel, system, tool, top, voltage, work, worker,