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2. Reverse osmosis plant - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis_plant

   Reverse osmosis is a common process to purify or desalinate contaminated water by forcing water through a membrane. Water produced by reverse osmosis may be used for a variety of purposes, including desalination , wastewater treatment , concentration of contaminants, and the reclamation of dissolved minerals. [ 1 ]

3. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Tankless water heaters provide many advantages: [8] Long term energy savings: Though a tankless water heater typically costs more initially, it usually costs less to operate because of lower energy use—since it only heats water when required instead of continuously maintaining a tank of heated water. Even homes or buildings with high demand ...

4. List of food trucks - Wikipedia

   en.wikipedia.org/wiki/List_of_food_trucks

   The Maximus/Minimus food truck, at the corner of Pike Street and 2nd Avenue in downtown Seattle, Washington. A food truck is a mobile venue that transports and sells food. Some, including ice cream trucks, sell frozen or prepackaged food; others resemble restaurants on wheels. Some may cater to specific meals, such as the breakfast truck, lunch ...

5. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions.

6. A. O. Smith - Wikipedia

   en.wikipedia.org/wiki/A._O._Smith

   A. O. Smith Corporation manufactures the following types of water heaters for residential uses: gas and propane, hybrid, electric, tankless, and solar. The company manufactures the following types of water heaters for commercial uses: oil-fired, gas and electric, as well as boilers, storage tanks, and skid systems. It also provide the following ...

7. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Compared to tankless heaters, storage water heaters have the advantage of using energy (gas or electricity) at a relatively slow rate, storing the heat for later use. The disadvantage is that over time, heat escapes through the tank wall and the water cools down, activating the heating system to heat the water back up, so investing in a tank ...