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An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .
Smog towers or smog free towers (see below for other names) are structures designed as large-scale air purifiers to reduce air pollution particles . This approach to the problem of urban air pollution involves air filtration and removal of suspended mechanical particulates such as soot and requires energy or power.
An ordinary glovebox, showing the two gloves for manipulation, with airlock on the right. The most straightforward type of air-free technique is the use of a glovebox.A "glove bag" uses the same idea, but is usually a poorer substitute because it is more difficult to purge, and less well sealed.
Some safety videos are made using three-dimensional graphics. [2] Other videos were made to be humorous, or feature celebrities, or were based on popular movies. Many safety videos were uploaded to YouTube. [3] [4] The flight attendant featured in a Delta Air Lines video from 2008 has become an internet celebrity known as Deltalina.
Airless tires, non-pneumatic tires (NPT), or flat-free tires are tires that are not supported by air pressure. [1] [2] [3] They can be used on small vehicles such as ride-on lawn mowers and motorized golf carts. They also are used on heavy equipment required to operate on sites where risk of tire punctures is high.
Tulip mania (Dutch: tulpenmanie) was a period during the Dutch Golden Age when contract prices for some bulbs of the recently introduced and fashionable tulip reached extraordinarily high levels. The major acceleration started in 1634 and then dramatically collapsed in February 1637.
The Air Bud film series (also known as Disney Buddies) is an American film franchise based on a sports-playing Golden Retriever named Buddy, portrayed by Buddy. [1] The franchise began in 1997 with the theatrical release of Air Bud , followed by the theatrical release of Air Bud: Golden Receiver in 1998.
The Latin specific epithet kaufmanniana refers to Konstantin von Kaufman (1818–1882) who was the first Governor-General of Russian Turkestan where the tulip was found. It was first found in Turkestan, [ 9 ] [ 10 ] and then published and described by Eduard August von Regel in his botanical magazine ' Gartenflora ' Vol.26 on page 194 in 1877.