Keywords
25-29 years, 30-34 years, adults only, analysis, caucasian appearance, chemical analysis, chemical analysis laboratory, chemistry, chinese ethnicity, engineer, engineering, engineering school, engineering student, equipment, examining, experiment, female, holding, indoors, lab, lab coat, laboratory, laboratory equipment, learning, looking, medical sample, men, mid adult, mid adult men, note pad, pen, person in education, pointing, research, sample, scientific experiment, standing, stem education, student, teamwork, technology, thermogravimetric analyser, thermogravimetric analysis, two people, university, university student, waist-up, woman, women, working, young adult, young women, 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, u91280253