Keywords
35 to 39 years, 50 to 54 years, 50 to 59 years, adult, alone, assembling, boomer, caucasian ethnicity, communication, concentration, demonstration, educate, educating, education, electronics, equipment, ethnic, factory, factory worker, focus, focus concept, gear, glove, guardian, holding, indoors, industrious, industry, innovation, interaction, looking, making, male, man, mature adult, mature man, mid adult, mid adult man, mix, mixed, mixed age group, mixed race, mixed race ethnicity, multi ethnic, multi-ethnic, networking, older, one person, only adults, only men, paying attention, precision, professional, protection, protective clothing, protective glove, science, scrutiny, showing, single, sitting, skill, structures, teaching, technology, two people, uniform, using, watch, watching, white, work, work station, workplace, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u26339987