Ключевые слова: blue, chemical, clean, closeup, corridor, danger, engineer, equipment, facility, gloves, goggles, green, hallway, hand, hazmat, health, help, house, human, indoor, indoors, inside, isolated, job, lab, laboratory, light, machine, man, mask, men, office, overalls, people, person, room, safety, science, security, standing, suit, teamwork, technician, water, work, worker, working, workwear, yellow,