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2. Pressure washing - Wikipedia

   en.wikipedia.org/wiki/Pressure_washing

   A pressure washer is used to remove old paint from a boat. Patio flagstones being pressure washed using a rotary nozzle. Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces.

3. Reduced pressure zone device - Wikipedia

   en.wikipedia.org/wiki/Reduced_pressure_zone_device

   A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices, [1] [2] reduced pressure zone assemblies (RPZA), [3] or reduced pressure principle ...

4. List of cleaning tools - Wikipedia

   en.wikipedia.org/wiki/List_of_cleaning_tools

   Pressure washing; Propane burnisher; Pumice; Reason washing machine; Scrubber (brush) Shaker broom vise; Silent butler; Soap shaker; Sonic soot blowers; Sponge (material) Squeegee; Steam mop; Strigil; Swiffer; Tawashi; Thor washing machine; Tongue cleaner; Turk's head brush; Vacuum cleaner; Vacuum truck; Vapor steam cleaner; Wash rack; Washing ...

5. Hot water extraction - Wikipedia

   en.wikipedia.org/wiki/Hot_water_extraction

   Example of the steam cleaning method, using a carpet cleaning wand. Hot Water Extraction (HWE) is a method of carpet cleaning. It involves a combination of hot water and cleaning agents being injected into the fibers of a carpet at high pressure and the lifted soil being removed by a powerful vacuum. [1]

6. Truckmount carpet cleaner - Wikipedia

   en.wikipedia.org/wiki/Truckmount_carpet_cleaner

   The high pressure water pump pumps heated water and chemical onto the carpet. A heat exchanger or a water heater are fitted to the machine to heat the water up through the exhaust manifold system. Instead of a heat exchanger , some machines have a thermostat -controlled boiler that runs on liquefied petroleum gas (LPG).

7. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   They typically use low power heating elements, about 1 kW to 1.5 kW, and can provide hot water long enough for hand washing, or, if plumbed into an existing hot water line, until hot water arrives from a remote high capacity water heater. They may be used when retrofitting a building with hot water plumbing is too costly or impractical.