Ключевые слова: accuracy, accurate, architect, builder, caucasian, closeup, collaboration, construction, contractor, cooperation, developer, development, engineer, equipment, expertise, hand, hard hat, helmet, holding, male, man, manager, measure, measurement, measuring tape, men, next to, outdoors, professional, project, protection, reflective, ruler, safety, shovel, site, supervising, supervisor, tool, tools, two, under construction, unfinished, unit, vest, white, whitecollar, wooden, yellow, young,