Ключевые слова: 3d, absence, abstract, biology, biomedical illustration, blank, brown, coffee, composite image, computer, computer graphic, computer monitor, copy space, day, desk, digital, digital composite, digital generated image, digitally generated, digitally generated image, document, electronic, empty, files, firm, flooring, glass, graphic, gray, green, hardwood floor, illustration, indoors, infectious disease, interior, keyboard, lock, microbiology, molecular structure, mouse, notepad, office, padlock, pc, protection, reliability, report, research, result, room, safety, satisfaction, satisfactory, science, screen, security, service, shadow, shape, square shape, stationery, studio shot, sunbeam, sunlight, technology, transparent, unhygienic, using, viral infection, virus, wall, white, white background, window, wood,