Single flush- The most common type of flush. Unlike dual flushing toilets below, these units will only send one batch of water through the bowl when flushed. However, they can also be among the most powerful. They can come with high efficiency, or standard features. ...
1C). The toilet flush sequence begins with a remote button push that activates a solenoid valve on the flushometer, allowing supply water to enter the flushometer valve (in public restrooms this activation is often done by an optical motion sensor). Flush water entering the bowl creates an ...
Aizu was an important base of the Tokugawa shōgunate's stronghold within the Tōhoku region, and militarily it was one of the strongest. However, all good things end. In 1853, U.S. Navy Commodore Matthew Perry sailed his fleet into the bay of Edo, which at that time was a fishing ...
There has been a settlement there since the third millennium BC. It was the strongest Bulgarian fortification in the 12th through 14th centuries, and the heart of the Second Bulgarian Empire. It was known just as Târnovo back then. The Byzantine Empire, based in Constantinople, weakened throug...