Ключевые слова: adult, agreement, architect, authority, beginnings, building, building contractor, business, businessman, colleague, communications, construction, construction site, construction worker, conversation, cooperation, deal, engineer, executive, hand, handshake, hard hat, helmet, incidental people, industry, leader, looking at each other, male, man, men, occupations, outdoors, partnership, people, professional, protection, protective clothing, safety, safety vest, scaffolding, site, site manager, standing, suit, supervisor, talking, team, teamwork, work, worker,