Ключевые слова: building, civil, construction, contractor, development, digging, dirt, earthmoving, earthwork, engineering, environment, equipment, excavation, excavator, foundation, gear, gravel, ground, heavy, industrial, infrastructure, job, labor, landscaping, load, machinery, management, mechanical, modern, operation, operations, outdoor, preparation, project, public, safety, site, soil, technician, terrain, transport, urban, vehicle, work, worker, works, zone,