close-up of excavator at construction site. backhoe digging soil for earthwork and construction business. excavating machine at

excavator construction site digger digging backhoe earthwork bucket machine dirt earth work demolition bulldozer moving business heavy shovel machinery earthmoving tractor metal mover eathmoving farm soil pond trenching teeth building ground action vehicle engineering excavation earthmover development industry land preparation project civil groundwork process operation technology infrastructure heavyduty removal