Ключевые слова: adult, blue, business, caucasian, concept, construction, contagious, coronavirus, covid19, disease, engineer, face, factory, front view, hard hat, helmet, high visibility, indoors, industry, inside, interior, job, looking at camera, man, manufacture, mask, mature, neon, pandemic, person, portrait, prevention, production, protective, safety, shirt, standing, technician, technology, virus, waist up, waistcoat, waistup, warehouse, wearing, work, worker, working, yellow,