ozonation
31Food preservation — Canadian World War I poster encouraging people to preserve food for the winter …
32Aquafina — Infobox Beverage name = Aquafina manufacturer= PepsiCo, Inc. type= Water Beverage origin=USA introduced=1994Aquafina is a brand of bottled water. It was first distributed in Wichita, Kansas in 1994, and was distributed across the United States,… …
33Fish farming — Intensive koi aquaculture facility in Israel Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. A facility… …
34Appropriate technology — (AT) is technology that is designed with special consideration to the environmental, ethical, cultural, social and economical aspects of the community it is intended for. With these goals in mind, AT typically requires fewer resources, is easier… …
35Ozone therapy — Ozone in the stratosphere deflects harmful solar radiation, but ground level ozone has well studied and cumulative deleterious health effects.[1][2] The use of ozone therapy is advocated as a form of alternative medicine but there is no… …
36Disinfectant — This article is about antimicrobial agents. For the Macintosh anti virus software, see Disinfectant (software). Disinfection of a floor using disinfectant liquid applied using a mop Disinfectants are substances that are applied to non living… …
37Reclaimed water — Reclaimed water, sometimes called recycled water, is former wastewater (sewage) that has been treated to remove solids and certain impurities, and then allowed to recharge the aquifer rather than being discharged to surface water. This recharging …
38Ozonolysis — is the cleavage of an alkene or alkyne with ozone to form organic compounds in which the multiple carbon–carbon bond has been replaced by a double bond to oxygen.[1][2][3][4] The outcome of the reaction depends on the type of multip …
39Hot tub — dablink|This article is about the pool. For the Seinfeld epidsode see The Hot Tub for the Drawn Together episode see Hot Tub (Drawn Together episode)A hot tub is a large home made or manufactured tub or small pool full of heated water and used… …
40Proton exchange membrane — A proton exchange membrane or polymer electrolyte membrane (PEM) is a semipermeable membrane generally made from ionomers and designed to conduct protons while being impermeable to gases such as oxygen or hydrogen.cite web… …
