Ключевые слова: accept, accepted, agreement, application, approval, approve, assurance, authorized, background, book, business, certificate, certified, check, colorful, concept, confirm, contract, control, design, desk, document, education, guarantee, handwritten, illustration, message, note, notepad, office, paper, permission, permit, product, quality, round, seal, service, sign, signature, stamp, success, table, text, tick, wood, wooden, work, workplace, yes,