Keywords
14-15 years, 16-17 years, 3, 30's, 30-35, 30-40, 30s, 35-39 years, 35-40, accessory, accuracy, adult, asian, asian ethnicity, bend, bending, boy, careful, caucasian, chatting, chemistry, chemistry class, child, color, color image, colour, communicating, communication, concentrating, concentration, conversation, conversing, counseling, day, daylight, daytime, defending, dialog, dialogue, discussing, dropper, educating, education, educator, exactitude, explaining, far eastern, fellow, filling, focusing, focussing, gentleman, glove, goggles, guidance, guy, head & shoulders, head and shoulders, hearing, high school, high-school, highschool, hispanic, holding, human, human being, indian, indian ethnicity, indoor, indoors, inside, instructing, juvenile, kid, knowledge, lab, lab coat, laboratory, latin american, latin american and hispanic ethnicity, latino, learning, listener, listening, looking down, male, man, mid adult, mid adult men, minor, mixed race, mixed race person, multi-ethnic group, multicultural, multiculturalism, oriental, people, person, photography, pipette, precise, precision, professor, protection, protective eyewear, pupil, r&d, research, research & development, research and development, rubber glove, rubber-glove, safeguard, safety, school, science, scientific experiment, seated, security, serious, seriousness, sitting, solemn, somber, speaking, standing, student, studying, talker, talking, teacher, teaching, teen, teenage, teenage boy, teenage boys, teenager, test tube, thirties, thirty, three, three people, three quarter length, three-quarter length, together, togetherness, vertical, western european, white coat, young, youth, youthful, 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, bld119716