Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...
Our basement has only flooded twice in 15 years. Would it be wise--or a waste of money--to install a sump pump? This is a matter of personal preference, and depends on the cost of installing the sump ...
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