Ключевые слова: architecture, building, construction, contractor, crane, development, digging, dirt, earthmoving, engineering, equipment, excavation, excavator, foundation, gear, heavy, industrial, infrastructure, job, labor, layout, lifting, loading, logistics, machinery, management, manual, materials, mechanical, movement, operation, operator, productivity, progress, project, road, safety, site, terrain, tools, unloading, urban, vehicles, work, workers, workforce, yellow,