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2. Sail switch - Wikipedia

   en.wikipedia.org/wiki/Sail_switch

   A sail switch, vane switch or flow switch is a mechanical switch that is actuated on or off in response to the flow or non-flow of a fluid such as air or water. [1] A sail switch typically operates through the use of a paddle or a diaphragm which gets displaced due to the force of fluid or air moving past it.

3. Recreational vehicle terms - Wikipedia

   en.wikipedia.org/wiki/Recreational_vehicle_terms

   This is the fresh water directly taken from a clean-water source. It may or may not be potable water, i.e. drinking water. Wild camping A term often used in the UK to refer to staying overnight without a designated camping area. Winterize The maintenance of an RV's water system to protect it from damage during cold winter storage.

4. Forced-air - Wikipedia

   en.wikipedia.org/wiki/Forced-air

   Circulator initiates water flow to the hydronic coil (heat exchanger) Once the heat exchanger warms up, the main blower is activated; When call for heat ceases, the boiler and circulator turn off; Blower shuts off after period of time (depending on the particular equipment involved this may be a fixed or programmable amount of time)

5. HVAC control system - Wikipedia

   en.wikipedia.org/wiki/HVAC_control_system

   The program features include time schedules, set points, controllers, logic, timers, trend logs, and alarms. The unit controllers typically have analog and digital inputs that allow measurement of the variable (temperature, humidity, or pressure) and analog and digital outputs for control of the transport medium (hot/cold water and/or steam ...

6. Water hammer - Wikipedia

   en.wikipedia.org/wiki/Water_hammer

   The following characteristics may reduce or eliminate water hammer: Reduce the pressure of the water supply to the building by fitting a regulator. Lower fluid velocities. To keep water hammer low, pipe-sizing charts for some applications recommend flow velocity at or below 1.5 m/s (4.9 ft/s). Fit slowly closing valves.

7. Florida woman gives insane excuse for why she snatched 3-year ...

   www.aol.com/florida-woman-flimsy-excuse-why...

   A Florida woman who allegedly snatched a three-year-old boy from his fenced-in yard and ran off down the street last week told the cops she shouldn’t be arrested because she “gave it back ...

8. Venturi effect - Wikipedia

   en.wikipedia.org/wiki/Venturi_effect

   The upstream static pressure (1) is higher than in the constriction (2), and the fluid speed at "1" is lower than at "2", because the cross-sectional area at "1" is greater than at "2". A flow of air through a pitot tube Venturi meter, showing the columns connected in a manometer and partially filled with water. The meter is "read" as a ...

9. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!