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2. Antifreeze - Wikipedia

   en.wikipedia.org/wiki/Antifreeze

   Once antifreeze has been mixed with water and put into use, it periodically needs to be maintained. If engine coolant leaks, boils, or if the cooling system needs to be drained and refilled, the antifreeze's freeze protection will need to be considered.

3. Coolant - Wikipedia

   en.wikipedia.org/wiki/Coolant

   A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system.

4. Flash evaporation - Wikipedia

   en.wikipedia.org/wiki/Flash_evaporation

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

5. Internal combustion engine cooling - Wikipedia

   en.wikipedia.org/wiki/Internal_combustion_engine...

   Cooling system regulation includes adjustable baffles in the air flow (sometimes called 'shutters' and commonly run by a pneumatic 'shutterstat'); a fan which operates either independently of the engine, such as an electric fan, or which has an adjustable clutch; and a thermostatic valve or a thermostat that can block the coolant flow when too ...

6. Boiler blowdown - Wikipedia

   en.wikipedia.org/wiki/Boiler_blowdown

   The sealing valve is customarily opened first and closed last. Both are opened rapidly and fully to minimize erosion on the seat and disk faces. Care is taken to avoid trapping scale or rust particles within the valve by reopening a valve to flush the particles through if resistance is encountered when attempting to close it.

7. Backwashing (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Backwashing_(water_treatment)

   Backwashing cycle is run on the left filter of the test columns in a water filtration plant. [1]In terms of water treatment, including water purification and sewage treatment, backwashing refers to pumping water backwards through the filters media, sometimes including intermittent use of compressed air during the process.