Ключевые слова: 20s, absence, analyzing, attentive, authority, black background, bright, caucasian, cheering, classy, closed, composite image, computer graphic, concentrating, connected, connection, connection page, corner, day, digital composite, digitally generated image, discovery, examining, experiment, experimenting, focus shot, focused, geometric shape, glass, head and shoulders, holding, home interior, imagination, indoors, job, lab coat, looking, male, man, molecular, molecule, molecule structure, multicolored, password, profession, professional, protective eyewear, researcher, safety, science, scientist, scrutiny, security, shape, sophisticated, studio shot, three quarter length, tilt, transparent, username, wall, website, white background, window, window frame, young adult,