installation of a single-chamber home sewage treatment plant, the excavator presses the tank.

bacteria biological bucket canalization chamber connected connection decay digger dirty ditch drain drainage ecological effluent equipment excavation excavator filling garden ground groundwater hole home hose industry installation lifting mini outdoors piercing pipe pipeline pipes pit plant plastic plumbing pollution presses reservoir safety septic sewage sewer sewerage single singlechamber soil system tank treatment trench wastewater water waterproofing well