a trench was dug on the grassy lawn of a city street to repair and replace cables, pipes and other utilities. next to it are palle

wood soil backyard yard garden iron wall rock furniture plant lawn brick floor flooring grave stonewall brickwork trench dug grassy city street repair replace cables pipes pallets red bricks polyethylene tractor tracks imprinted piles communal communications technology construction engineering excavation site excavations excavator fence gas ground heating mains industrial industry job land works material metal outdoors paved pipe replacement pit plastic public rebar reconstruction safety sand sandy sewage system special equipment surface excavated underground urban urbanization supply palle film utilities