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2. Bilge pump - Wikipedia

   en.wikipedia.org/wiki/Bilge_pump

   A bilge pump is a water pump used to remove bilge water. Since fuel can be present in the bilge, electric bilge pumps are designed to not cause sparks. Electric bilge pumps are often fitted with float switches which turn on the pump when the bilge fills to a set level. Since bilge pumps can fail, use of a backup pump is often advised. The ...

3. Float switch - Wikipedia

   en.wikipedia.org/wiki/Float_switch

   A pedestal sump pump with a float switch. A float switch is a type of level sensor, a device used to detect the level of liquid within a tank. The switch may be used to control a pump, as an indicator, an alarm, or to control other devices. One type of float switch uses a mercury switch inside a hinged float. Another common type is a float that ...

4. Condensate pump - Wikipedia

   en.wikipedia.org/wiki/Condensate_pump

   Large industrial pumps may also serve as the feedwater pump for returning the condensate under pressure to a boiler. Condensate pumps usually run intermittently and have a tank in which condensate can accumulate. Eventually, the accumulating liquid raises a float switch energizing the pump. The pump then runs until the level of liquid in the ...

5. Dry running protection - Wikipedia

   en.wikipedia.org/wiki/Dry_running_protection

   Dry running protection, also known as dry-run protection or dry-running protection, is a type of protection mechanism to prevent a rotor, pump or stirrer shaft from operating without any medium added, as the bearing and shaft seal might be damaged if the motor is run while dry. [1]

6. Ballcock - Wikipedia

   en.wikipedia.org/wiki/Ballcock

   It consists of a valve connected to a hollow, sealed float by means of a lever mounted near the top of the tank. The float is often ball-shaped, hence the name ballcock. The valve is connected to the incoming water supply, and is opened and closed by the lever which has the float mounted on the end. When the water level rises, the float rises ...

7. Yes, ‘Glock Switches’ Can Turn a Firearm Into an Automatic Weapon

   www.aol.com/news/glock-switches-turn-firearm...

   The Supreme Court recently heard arguments over whether to uphold a federal ban on bump stock accessories implemented by former President Donald Trump.