Hacky Sack
A footbag is a small, round bag usually filled with plastic pellets or sand, which is kicked into the air as part of a competitive game or as a display of dexterity. "Hacky Sack" is the name of a brand of footbag popular in the 1970s (currently owned by Wham-O), which has since become a generic trademark. The most common game of footbag consists of two or more players standing in a circle and trying to keep the sack off the ground for as long as possible. History Footbag-like activities have existed for many years. The game is similar to traditional Asian games of kicking the shuttlecock, known as ''jianzi'' or ''chapteh''. The game is also similar to some South East Asian games, such as ''chinlone'', ''sepak takraw'' and ''sipa''. This game is known as ''jegichagi'' (제기차기) in Korea. The Wu Style Tai Chi Chuan practice dates back to at least the 1930s, and French policemen are seen playing a shuttlecock game in the 1955 American film ''To Catch a Thief''. The same princip ...
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Hacky
Hacky can refer to: * A hack: inelegant improvisation of computer code * Hačky, a Czech village See also * Hacky sack A footbag is a small, round bag usually filled with plastic pellets or sand, which is kicked into the air as part of a competitive game or as a display of dexterity. "Hacky Sack" is the name of a brand of footbag popular in the 1970s (currently o ...

Spitting
Spitting is the act of forcibly ejecting saliva or other substances from the mouth. The act is often done to get rid of unwanted or foul-tasting substances in the mouth, or to get rid of a large buildup of mucus. Spitting of small saliva droplets can also happen unintentionally during talking, especially when articulating ejective and implosive consonants. Spitting in public is currently considered rude and a social taboo in many parts of the world including the West, while in some other parts of the world it is considered more socially acceptable. Spitting upon another person, especially onto the face, is a global sign of anger, hatred, disrespect or contempt. It can represent a "symbolical regurgitation" or an act of intentional contamination. In the Western world Social attitudes towards spitting have changed greatly in Western Europe since the Middle Ages. Then, frequent spitting was part of everyday life, and at all levels of society, it was thought ill-mannered to s ...
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Hacky Sack1
Hacky can refer to: * A hack: inelegant improvisation of computer code * Hačky, a Czech village See also * Hacky sack A footbag is a small, round bag usually filled with plastic pellets or sand, which is kicked into the air as part of a competitive game or as a display of dexterity. "Hacky Sack" is the name of a brand of footbag popular in the 1970s (currently o ...

Tennis Shoes
Sneakers (also called trainers, athletic shoes, tennis shoes, gym shoes, kicks, sport shoes, flats, running shoes, or runners) are shoes primarily designed for sports or other forms of physical exercise, but which are now also widely used for everyday casual wear. Since their popularization by companies such as Converse, Nike and Spalding in the mid 20th century, they have become attire, with variety growing in many global markets exponentially. Like other parts of the global clothing industry, manufacture of shoes is heavily concentrated in Asia with nine in ten shoes produced in that region. Contemporary sneakers are largely made from synthetic materials, and the materials and manufacturing process produce, on average, about of CO2 emissions. Some companies are trying to substitute more sustainable materials in their manufacture. About 90% of shoes end up in landfills at end of life. Names and etymology The shoes have gone by a variety of names, depending on geograph ...
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Flame Retardant
The term flame retardants subsumes a diverse group of chemicals that are added to manufactured materials, such as plastics and textiles, and surface finishes and coatings. Flame retardants are activated by the presence of an ignition source and are intended to prevent or slow the further development of ignition by a variety of different physical and chemical methods. They may be added as a copolymer during the polymerisation process, or later added to the polymer at a moulding or extrusion process or (particularly for textiles) applied as a topical finish. Mineral flame retardants are typically additive while organohalogen and organophosphorus compounds can be either reactive or additive. Classes Both Reactive and Additive Flame retardants types, can be further separated into four distinct classes: * Minerals such as aluminium hydroxide (ATH), magnesium hydroxide (MDH), huntite and hydromagnesite, various hydrates, red phosphorus, and boron compounds, mostly borates. * Organ ...
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Chain Mail
Chain mail (properly called mail or maille but usually called chain mail or chainmail) is a type of armour consisting of small metal rings linked together in a pattern to form a mesh. It was in common military use between the 3rd century BC and the 16th century AD in Europe, and longer in Asia and North Africa. A coat of this armour is often called a hauberk, and sometimes a byrnie. History The earliest examples of surviving mail were found in the Carpathian Basin at a burial in Horný Jatov, Slovakia dated at 3rd century BC, and in a chieftain's burial located in Ciumești, Romania. Its invention is commonly credited to the Celts,
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Phosphorescence
Phosphorescence is a type of photoluminescence related to fluorescence. When exposed to light (radiation) of a shorter wavelength, a phosphorescent substance will glow, absorbing the light and reemitting it at a longer wavelength. Unlike fluorescence, a phosphorescent material does not immediately reemit the radiation it absorbs. Instead, a phosphorescent material absorbs some of the radiation energy and reemits it for a much longer time after the radiation source is removed. In a general sense, there is no distinct boundary between the emission times of fluorescence and phosphorescence (i.e.: if a substance glows under a black light it is generally considered fluorescent, and if it glows in the dark it is often simply called phosphorescent). In a modern, scientific sense, the phenomena can usually be classified by the three different mechanisms that produce the light, and the typical timescales during which those mechanisms emit light. Whereas fluorescent materials stop emit ...
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Clarino
is a brand name for artificial leather manufactured by Kuraray Co., Ltd. of Japan. It is commonly used in gloves, footwear, handbags, and law enforcement duty gear. Versions are made that simulate suede and top-grain leather. Being a man-made material, it is washable and retains its softness when wet, unlike natural leather. After many decades of development, Clarino has achieved performance that exceeds that of leather in some applications, especially where the item may be exposed to water, such as riding saddles. Top grain leather applications include "patent leather" shoes that retain high gloss without the need for polish. During manufacturing, it is microscopically perforated to give it breathability similar to that of natural leather. Clarino is based on a non-woven fabric composed of special synthetic fibers that are intertwined three-dimensionally. The material's softness and suppleness arise from the structure of the non-woven fabric's special fibers, superfine fiber c ...
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Ultrasuede
Ultrasuede is the trade name for a synthetic ultra-microfiber fabric invented in 1970 by Dr. Miyoshi Okamoto, a scientist working for Toray Industries. In Japan, it is sold under the brand name Ecsaine. It is often described as an artificial substitute for suede leather. The fabric is multifunctional: it is used in fashion, interior decorating, automobile and other vehicle upholstery, and industrial applications, such as protective fabric for electronic equipment. It is also a very popular fabric in the manufacture of footbags (also known as hacky sacks) and juggling balls. Other manufacturers such as Sensuede and Majilite also produce similar product lines of synthetic microfiber suede. Composition Fabric content ranges from 80% polyester non-woven (100% recycled ultra-microfiber) and 20% non-fibrous polyurethane to 65% polyester and 35% polyurethane, depending on the product line. Ultrasuede feels like natural suede, but it is resistant to stains and discoloration; it can be ...
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