Keywords
20's, 20-24 years, 20-25, 20-30, 20s, 25-30, accessory, adult, analysis, beard, brown hair, brunette, burner, caucasian, chemistry, chemistry class, class, classroom, college, color, color image, colour, concentrating, concentration, defending, discovery, education, facial hair, fellow, focusing, focussing, gentleman, goggles, guy, hispanic, horizontal, human, human being, indoor, indoors, information, inside, instructing, instruction, intelligence, knowledge, lab, lab coat, laboratory, latin, latin american, latin american and hispanic ethnicity, learning, male, man, observing, one, one person, people, person, photography, protection, protective eyewear, pupil, research, safeguard, safety, school, schoolroom, science, science class, scientific experiment, security, spectating, spectator, standing, student, studying, teaching, test tube, textbook, tuition, tutoring, twenties, twenty, university, viewing, waist up, waist-up, watching, western european, whisker, white coat, wisdom, writing, young adult, young men, 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, blm016670