Ключевые слова: building foundation, building site, civil engineering, construction, construction machinery, construction planning, construction safety, construction site, development, digging, dirt, earth, earthmoving, earthmoving equipment, engineering, equipment, excavation process, excavator, ground preparation, groundwork, heavy machinery, infrastructure, infrastructure development, land, land grading, machinery, operation, operator, operator control, preparation, site preparation, soil, soil excavation, terrain, trench, trench digging, trench work, urban development, vehicles, work,