Ключевые слова: 3539 years, 4044 years, accuracy, business, caucasian ethnicity, colleague, color image, day, discussion, examining, expertise, factory, focus on foreground, holding, horizontal, indoors, industry, looking, manual worker, manufacturing, mature adult, mature women, metal industry, mid adult, mid adult men, occupation, protection, protective workwear, quality control, reflective clothing, scrutiny, standing, teamwork, three quarter length, two people, working,