 | Level Indicator in Chennai -KR System
| City: | Kollam, Kerala,  India |
| Category: | Services (Other) |
| Date: | 5/17/2021 10:52:30 AM (129 days ago) |
| Description: | Water level indicators work upon the fact that water is a good conductor of electricity, so water can be used to open or close a circuit. Whenever the water level goes up or down, different circuit... |
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