Here we describe an electronic system that uses a dedicated water-level sensor to switch off the pump motor as soon as the ...
WASHINGTON — Millions of gallons of raw sewage have been pouring out of a ruptured pipe at a wastewater treatment plant in Accokeek, Maryland, and a complicated repair process to remedy the problem ...
Like many days this past summer, it poured on Aug. 8. The rain came hard and fast across eastern Massachusetts that morning, dumping several inches within a relatively short period of time. From the ...
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