Ключевые слова: adult, architect, background, builder, business, businessman, construction, constructor, contractor, engineer, engineering, equipment, hand, happy, hardhat, hat, helmet, holding, indenture, industrial, industry, inspector, isolated, job, male, manager, men, necktie, occupation, people, person, plastic, profession, professional, project, protect, protection, safety, security, shirt, soft, studio, suit, supervisor, technician, white, work, worker, yellow,