Ключевые слова: agreement, analyzing, book, business, business finance and industry, clock, commercial activity, company, condition, cube, deal, desk, education, educational exam, employment and labor, exam, examining, homework, learning, management, new business, occupation, office, office supply, organization, pen, professional occupation, rule, rules, school, staff meeting, stock market and exchange, study, studying, table, terms and conditions, test, text, time, toy block, work, working,