Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

Most of us come across water overflowing from overhead tanks at homes and offices. While many of us stop with worrying about the wastage of the precious liquid and wastage of energy, a few think of ...

YICHANG, Hubei - Water rose to the maximum level at the Three Gorges Dam on Tuesday, driving electricity output to capacity at the world's largest hydropower plant for the first time since it began ...