A water flow sensor is installed at the pipe or water source to measure the water flow rate. The sensor can calculate the amount of water that flows through the pipe. The quality of water flow is measured in terms of liters or even cubic meters.
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This was my second time through this book. The first time I listened to it. It was one of my first audiobooks after my library started lending the format. While they say that listening to books is basically the same as reading them, it does take...