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2. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

   www.aol.com/10-signs-heater-isn-t-200000044.html

   Turn it to the off setting and wait about 5 to 10 minutes for any excess gas to dissipate, then turn the switch to pilot to trigger the flow of gas. Hold the reset button or use a long match to ...

3. 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.

4. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   After sufficient setting and hardening of concrete (after 28 days), the progressive loss of capillary water is also responsible for the "drying shrinkage". It is a continuous and long-term process occurring later during the concrete life when under dry conditions the larger pores of concrete are no longer completely saturated by water. Thermal ...

5. Electrical resistance heating - Wikipedia

   en.wikipedia.org/wiki/Electrical_resistance_heating

   Electrical resistance heating is used by the environmental restoration industry for remediation of contaminated soil and groundwater. ERH consists of constructing electrodes in the ground, applying alternating current (AC) electricity to the electrodes and heating the subsurface to temperatures that promote the evaporation of contaminants.

6. Mechanical, electrical, and plumbing - Wikipedia

   en.wikipedia.org/wiki/Mechanical,_electrical...

   However, this novel and complicated method requires careful and expensive planning from mechanical engineers, who must work closely with the engineers designing the electrical and plumbing systems for a building. A major concern for people designing HVAC systems is the efficiency, i.e., the consumption of electricity and water.

7. AOL Video - Serving the best video content from AOL and ...

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   The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

8. Induction heater - Wikipedia

   en.wikipedia.org/wiki/Induction_heater

   Induction heating is a non contact method of heating a conductive body by utilising a strong magnetic field.Supply (mains) frequency 50 Hz or 60 Hz induction heaters incorporate a coil directly fed from the electricity supply, typically for lower power industrial applications where lower surface temperatures are required.

9. AOL Mail

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   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!