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2. List of Axe products - Wikipedia

   en.wikipedia.org/wiki/List_of_Axe_products

   Long-lasting effect makes you always ready for "action", blue colored can. Same scent as "Air." Clearly states it's a very limited edition, came out with the willing scent. 2008 2005 Willing: Long-lasting effect makes you always willing for "adventure", green colored can. Clearly states it's a very limited edition, came out with the ready scent ...

3. Febreze - Wikipedia

   en.wikipedia.org/wiki/Febreze

   Beta-cyclodextrin (HPβCD), derived from corn. The active ingredient in several Febreze products is hydroxypropyl beta-cyclodextrin (HPβCD). The molecule traps and binds volatilized hydrocarbons within its structural ring, retaining malodorous molecules, which reduces their volatility and thus the perception of their scent. [2]

4. Sound attenuator - Wikipedia

   en.wikipedia.org/wiki/Sound_attenuator

   A sound attenuator, or duct silencer, sound trap, or muffler, is a noise control acoustical treatment of Heating Ventilating and Air-Conditioning (HVAC) ductwork designed to reduce transmission of noise through the ductwork, either from equipment into occupied spaces in a building, or between occupied spaces. [1] [2]

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The units went on sale in 1932 at US$10,000 to $50,000 (the equivalent of $200,000 to $1,100,000 in 2023.) [20] A year later, the first air conditioning systems for cars were offered for sale. [34] Chrysler Motors introduced the first practical semi-portable air conditioning unit in 1935, [ 35 ] and Packard became the first automobile ...

6. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   A drawback is the installation cost, which can be slightly higher than traditional HVAC systems. Energy efficiency can be improved even more in central heating systems by introducing zoned heating. This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats.

7. Perfume - Wikipedia

   en.wikipedia.org/wiki/Perfume

   Perfume (UK: / ˈ p ɜː f j uː m /, US: / p ər ˈ f j uː m / ⓘ) is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. [1]

8. Digital scent technology - Wikipedia

   en.wikipedia.org/wiki/Digital_scent_technology

   In June 2011, a press release from the University of California, San Diego Jacobs School of Engineering [20] announced a paper published in Angewandte Chemie [21] describing an optimization and miniaturization of a component that can select and release scents from 10,000 odors, that is intended to be part of a Digital scent solution for TVs and ...

9. Odor - Wikipedia

   en.wikipedia.org/wiki/Odor

   "Smell", from Allegory of the Senses by Jan Brueghel the Elder, Museo del Prado. An odor (American English) or odour (Commonwealth English; see spelling differences) is a smell or a scent caused by one or more volatilized chemical compounds generally found in low concentrations that humans and many animals can perceive via their olfactory system.