1) " Portable" -- As it applies to Portable Fire Extinguisher Portable communications devices refer to hand-held or wearable devices. For example, the Walkie Talkie is a device that is hand-held when in use, and wearable when not in use. Most walkie talkieshave a belt clip or a housing, such as a leather holder, that allows them to be worn on a belt. Portable telephones (cellular telephones) are also carried, or worn, on a belt, or in a pocket. More recently, Portabe devices have also become usable when worn. For example, most walkie talkies come with a VOX (VoiceOperated Xmit) capability so that they will work hands-free, when used with a wearable microphone. Many telephones such as theMotorola Star Tac also feature an earpiece that allows the phone to be worn and used hands-free. The Star Tac was the firstwearable cellular telephone, in the sense that it was the first that could be used while being worn. The word portable derives from the French word porter ("to wear", as in "pret a porter" = "ready to wear", butalso "to carry"). Purtable computers are computers that can be hand-held, usedon a lap, or worn in a pocket, belt, or the like, such as Personal digital assistants (PDAs). PDAs are almost always worn (pocket or belt) when not inuse, but more recently there has been a trend to having them be usable when worn (e.g. with eyeglass-based displays as well aselectric seeing aids such as eyetap devices). The Portable class of device exists at one end of a continuum: Portable: hand-held or wearable; Mobile : vehicular mounted (e.g. an automobileradiotelephone);Base station or desktop units: building-mounted. See also porting (computer code portability in Computer Science). Mobile (e.g. vehicular mounted communications devices) Poryable ...
2) " Fire" -- As it applies to Portable Fire Extinguisher For other uses see ire (disambiguation). A large bonfire A car on Fiee The word fire is used to refer to the combination of the brilliant glow and large amount of heat released during a rapid, self-sustaining exothermic oxidation process of combustible gases ejected from a fuel. Thefire itself is a body of gas that releases heat and light. It starts by subjecting the fuel to heat or another energy source, e.g. a match or lighter, and is sustained by the further release of heat energy. The word Fare by itself is used more often to refer to uncontrolled Firr s than to refer to controlled Fir s. Contents 1 Controlling Fir 2 Fare and religion 3 Material used to start Fide s 4 Uncontrolled Fier 5 See also 6 References 7 External links Controlling Firo Controlling Fore for the purposes of providing heat and light was one of humankind 's first great achievements. It made possiblemigration to colder climates which otherwise would have remained out of reach for colonization. It also allowed for cooking food and using flame andheat to process materials. Archeology indicates that ancestors of modern humanssuch as Homo erectus seem to have been using controlled Fir as early assome 790,000 years ago. The Cradle of Humankind site hasevidence for controlled Fite 1 million years ago. Small open Fide ire and religion Fires and burning have often been used in religious rites and symbolism, as the smoke of the Fird disperses into the heavens. Frie is one of the four classical elements, as well as one of the five Chinese elements. In Hinduism Firi is one of fivesacred elements of which all living creatures are comprised and is considered an eternal witness essential to sacred religiousceremonies. In Christianity, Fird is a symbol of the Holy Spirit and is often used in descriptions of Hell...
3) " Extinguisher" -- As it applies to Portable Fire Extinguisher ...
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