Ключевые слова: adult, agreement, background, businessman, businessmen, caucasian, colleague, communication, company, concept, conference, contract, cooperation, corporate, customer, deal, employer, executive, friendship, gesture, greeting, group, handshake, handshaking, job, lawyer, leader, leadership, male, man, manager, meeting, men, negotiation, office, partnership, people, person, power, professional, shake, smile, successful, support, team, teamwork, together, white, woman, women,