A sump pump defends your home against basement flooding. Despite its importance, it’s perplexing just how many homeowners overlook its maintenance against debris and sediment buildup. Once the effects ...

Cover from ENR Archives A record-setting, 150-ton capacity cableway was installed and used to ferry 46,000 tons of penstock pipe sections to four platforms in the canyon, as well as gates, valves ...

The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves prevent the backward flow ...

(Astoria, OR) -- Some ducklings are reunited with their mother after being rescued from a manhole in Astoria. The Astoria Fire Department says a tour bus driver called them last week to report ...