Ключевые слова: achievement, agree, agreement, background, billboard, black, blackboard, board, business, businessman, chalk, chalkboard, communication, concept, congratulating, cooperation, copy, copyspace, deal, dirty, drawing, friends, friendship, gesture, greeting, hand, handshake, handwriting, meeting, old, partnership, people, positive, relationship, shake, sign, space, success, successful, support, symbol, team, teamwork, texture, together, trust, used, white, write,