excavator digs a large trench for pipe laying. backhoe during earthmoving at construction site. earth-moving heavy equipment

excavator digs large trench pipe laying backhoe earthmoving construction site heavy equipment bulldozer business civil engineering contractor crisis demolition development dig digger diggers ditch drainage drill earth moving earthworks economy excavating excavation finance foundation ground groundworks hydraulic industrial industry job loader machine machinery pipes preparation quarry sand scoop shovel sky tractor vehicle work