Keywords
16-17 years, 30's, 30-35, 30-40, 30s, 35-39 years, 35-40, 4, accessory, adult, african, african american, african ethnicity, african-american, african-american ethnicity, afro american, afro-american, arm, arms crossed, arms folded, asian, asian ethnicity, black, boy, cheerful, chemistry, chemistry class, child, chinese ethnicity, classmate, color, color image, colour, confidence, confident, crossed, crossing arms, day, daylight, daytime, defending, educating, education, educator, enjoyment, equipment, far eastern, fellow, focus on background, four, four people, gaiety, gentleman, girl, glad, gleeful, glove, goggles, guy, happy, high school, high-school, highschool, hispanic, holding, human, human being, indoor, indoors, inside, instructing, japanese ethnicity, jolly, juvenile, kid, knowledge, lab, lab coat, laboratory, latin american, latin american and hispanic ethnicity, latino, learning, lighthearted, looking at camera, male, man, merry, mid adult, mid adult men, minor, mixed race, mixed race person, multi-ethnic group, multicultural, multiculturalism, of african descent, oriental, people, person, photography, portrait, portraiture, posing, positive, pride, protection, protective eyewear, proud, pupil, research, rubber glove, rubber-glove, safeguard, safety, satisfaction, school, schoolmate, science, scientific experiment, security, self-assured, smile, smiling, standing, student, studying, teacher, teaching, teen, teenage, teenage boy, teenage boys, teenage girl, teenage girls, teenager, thirties, thirty, three quarter length, three-quarter length, together, togetherness, vertical, 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, bld119713