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2. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   If a leak occurs, the substances to be measured come into contact with the tube in the form of vapour, gas or dissolved in water. In the event of a leak, some of the leaking substance diffuses into the tube. After a certain period of time, the inside of the tube produces an accurate image of the substances surrounding the tube.

3. Solar heat collector and radiator for building roof - Wikipedia

   en.wikipedia.org/wiki/Solar_heat_collector_and...

   A solar heat collector and radiator is a heat collecting and heat radiating roof structure, designed for building roofs specifically. It was built to be used in conjunction with solar energy and uses a system of air circulation for increased efficiency. [ 1 ]

4. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Old water pipe, remnant of the Machine de Marly near Versailles, France. Lead was the favoured material for water pipes for many centuries because its malleability made it practical to work into the desired shape. Such use was so common that the word "plumbing" derives from plumbum, the Latin word for lead.

5. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   A small tank water heater. Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   This specialized type of tee fitting is used primarily in pressurized hydronic heating systems to divert a portion of the flow from the main line into a side branch connected to a radiator or heat exchanger. The diverter tee allows the flow in the main line, even when the side branch is shut down and not calling for heat.

7. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Weight may cause ceilings to sag if the material is very heavy. Professional installers know how to avoid this, and typical sheet rock is fine when dense-packed. Will settle over time, losing some of its effectiveness. Unscrupulous contractors may "fluff" insulation using fewer bags than optimal for a desired R-value.

8. Interior radiation control coating - Wikipedia

   en.wikipedia.org/wiki/Interior_radiation_control...

   The developer, Robert Aresty, designed them to be used as low emissivity surfaces on glass to replace vacuum deposited surfaces. While SOLEC was doing collaborative work with the Florida Solar Energy Center (FSEC), Phillip Fairey, research director at FSEC and world-renowned researcher in radiant barriers discovered the availability of these ...

9. Safety valve - Wikipedia

   en.wikipedia.org/wiki/Safety_valve

   An oxygen safety relief valve DN250-safety valves. A safety valve is a valve that acts as a fail-safe.An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds preset limits.