Ключевые слова: ad, analyzing, audit, background, book, bookstore, business, chek, club, college, detail, development, diary, discovery, education, empty, glass, group, homework, imagination, inspection, job, knowledge, leisure, lens, literature, looking, looking for, magnification, magnifying, office, optical, page, paper, paperwork, practice, progress, publication, rent, research, school, science, search, stack, stacking, strategy, study, studying, surveying, teamwork, university, white,