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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. Soft washing - Wikipedia

   en.wikipedia.org/wiki/Soft_washing

   Soft washing is a cleaning method using low pressure water. More recently, the term "softwashing" has been used to describe any form of spraying chemicals at buildings where solutions (typically sodium hypochlorite based softwashing chemicals) are used to remove mildew, bacteria, algae and other organic stains from roofs and other building exteriors.

4. Jet wash - Wikipedia

   en.wikipedia.org/wiki/Jet_wash

   Jet wash, jet-wash, or jetwash may refer to: Wake turbulence, turbulence that forms behind an aircraft as it passes through the air; Pressure washing, the use of high-pressure water spray to clean various objects, usually outdoors; A self-serve car wash (primarily in Europe)

5. Duct leakage testing - Wikipedia

   en.wikipedia.org/wiki/Duct_leakage_testing

   Small pressure pan application. A third test method to determine if ductwork is leaking to the outside is to use a pressure pan, which is a register cover with a pressure tap for a hose connection. With the house pressurized (or depressurized) to 50 Pa (-50 Pa) using a blower door, a pressure gauge is attached to the pressure pan by means of a ...

6. Hydraulic head - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_head

   In fluid dynamics, head is a concept that relates the energy in an incompressible fluid to the height of an equivalent static column of that fluid. From Bernoulli's principle, the total energy at a given point in a fluid is the kinetic energy associated with the speed of flow of the fluid, plus energy from static pressure in the fluid, plus energy from the height of the fluid relative to an ...

7. Agitated Nutsche Filter - Wikipedia

   en.wikipedia.org/wiki/Agitated_Nutsche_Filter

   A hydraulic power pack or hydraulic power unit is a unit attached to the ANF's agitator system, discharge valve and bottom removal (for cleaning). It consists of an oil tank on which a pump is provided for circulating high-pressure oil through a control valve system and to hydraulic cylinders. These cylinders are provided for vertical movement ...