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  2. Collar (animal) - Wikipedia

    en.wikipedia.org/wiki/Collar_(animal)

    These collars are predominantly used as a training mechanism. There are a few different types of mechanisms which can be incorporated into anti-bark collars: Citronella The citronella collar releases a spray of citronella-scented liquid when the wearer barks. Most dogs find this scent unpleasant and will resist further barking. [4] Static shock

  3. Cymbopogon nardus - Wikipedia

    en.wikipedia.org/wiki/Cymbopogon_nardus

    Cymbopogon nardus, common name citronella grass, is a species of perennial aromatic plant from the family Poaceae, originating in tropical Asia. C. nardus cannot be eaten because of its unpalatable nature and is an invasive species that renders pastureland useless, since cattle will starve even in its abundance.

  4. Citronellol - Wikipedia

    en.wikipedia.org/wiki/Citronellol

    Citronellol is used in perfumes and as a fragrance in cleaning products. In many applications, one of the enantiomers is preferred. It is a component of citronella oil, an insect repellant. [2] Citronellol is used as a raw material for the production of rose oxide.

  5. Dog collar - Wikipedia

    en.wikipedia.org/wiki/Dog_collar

    A lighted collar (or collar light, dog light) is a collar that emits light in order to make a dog more visible in the dark to their owners and more importantly, nearby motorists. It is not designed to help a dog see at night, as it is well documented that dogs have very good vision in low light conditions.

  6. Cymbopogon - Wikipedia

    en.wikipedia.org/wiki/Cymbopogon

    Citronella grass (Cymbopogon nardus and Cymbopogon winterianus) grow to about 2 metres (6 + 1 ⁄ 2 ft) and have magenta-colored base stems. These species are used for the production of citronella oil , which is used in soaps, as an insect repellent (especially mosquitoes and houseflies) in insect sprays and candles, and aromatherapy.

  7. Recirculating aquaculture system - Wikipedia

    en.wikipedia.org/wiki/Recirculating_aquaculture...

    In aeration air is pumped through an air stone or similar device that creates small bubbles in the water column, this results in a high surface area where oxygen can dissolve into the water. In general due to slow gas dissolution rates and the high air pressure needed to create small bubbles this method is considered inefficient and the water ...

  8. Thermal spraying - Wikipedia

    en.wikipedia.org/wiki/Thermal_spraying

    The torch melts the coating material and the top layer of the component material; fusing them together. Due to the high heat of spray and fuse, some heat distortion may occur, and care must be taken to determine if a component is a good candidate. These high temperatures are akin to those used in welding.

  9. Vapor cone - Wikipedia

    en.wikipedia.org/wiki/Vapor_cone

    A vapor cone (also known as a Mach diamond, [1] shock collar, or shock egg) is a visible cloud of condensed water that can sometimes form around an object moving at high speed through moist air, such as an aircraft flying at transonic speeds. When the localized air pressure around the object drops, so does the air temperature.