9 apparatus and devices for water leak detection; pipe inspection system; cameras; sensors, namely, liquid level sensors, distance sensors, acceleration sensors, biochip sensors, LED position sensors, motion sensors, optical sensors, pollutant sensors, pressure sensors, proximity sensors, temperature sensors, timing sensors and acoustic sensors; metal clamps; scanners; electric cables and wires, fibre optic cables, electronic cables; acoustic conduits, acoustic meters; closed circuit television system; software to locate, analyze, inspect, maintain, repair and service water pipelines, fire hydrants, water leak detection, and the supply, control and delivery monitor leaks and conduct acoustic surveys in water mains; water flowmeters to detect leaks and for measuring water flow rates in a water supply line