Ключевые слова: accessories, background, blank, board, business, check, checklist, clip, clipboard, copy, copyspace, diagnosis, document, education, empty, equipment, examination, health, hospital, information, isolated, list, medical, message, metal, note, notepad, object, office, pad, page, paper, paperclip, paperwork, plan, plank, research, school, science, sheet, sign, space, stationary, surface, test, white, work, write,