septic tank: the cleaning of a domestic septic tank (mgw2057a1518)

11500 bore cleaning cleansing concrete cover dirty domestic drain emptying environmental flexible french garden hitched hole home house household large litre pipe powered pumped pumping removal removed restoring rinsing rural sanitation scum seals septic sewage sewer sewerage sludge spray storage suction system tank tanker tight tractor trailer treatment tube tubes tubing underground vacuum via waste wastewater water