Ключевые слова: agent, armed, arms, back, beautiful, blue, bodyguard, building, business, chemical, chemistry, construction, crime, crossed, defence, duty, energy, engineering, environment, equipment, estate, fuel, global, guard, guardian, heavy, human, industry, light, male, men, metal, morning, officer, oil, patrol, people, person, pipe, pipeline, police, policeman, pollution, power, prevention, professional, protect, protection, radio, refinery, safe, safeguard, safety, secure, security, serious, service, sheriff, staff, storage, structure, tank, technology, tower, tube, uniform, vigilante,