the excavator shovels earth with clay from the pit with a bucket for the construction of a septic tank. ground work of the machine

excavator shovels earth clay pit bucket construction septic tank ground work machine infrastructure trench hydraulic underground shovel settling power tractor building groundwork yellow sewer ditch installation excavating engineering pipeline drain systems utility digger hole digging loader reconstruction crawler backhoe industry plumbing excavation works working garden drainage rural activity heavy soil outfall equipment scoop mover sewage machinen