Candle 645
As the mass of solid fuel is melted and consumed, the candle grows shorter. Portions of the wick that are not emitting vaporized fuel are consumed in the flame. The incineration of the wick limits the exposed length of the wick, thus maintaining a ...
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As the mass of solid fuel is melted and consumed, the candle grows shorter. Portions of the wick that are not emitting vaporized fuel are consumed in the flame. The incineration of the wick limits the exposed length of the wick, thus maintaining a constant burning temperature and rate of fuel consumption. Some wicks require regular trimming with scissors (or a specialized wick trimmer), usually to about one-quarter inch (~0.7 cm), to promote slower, steady burning, and also to prevent smoking. In early times, the wick needed to be trimmed quite frequently, and special candle-scissors, referred to as "snuffers" until the 20th century, were produced for this purpose, often combined with an extinguisher. In modern candles, the wick is constructed so that it curves over as it burns (see picture on the right), so that the end of the wick gets oxygen and is then consumed by fire—a self-trimming wick.[5]
A candle is a solid block of wax with an embedded wick, which is lit to provide light, and sometimes heat, and historically as a method of keeping time.[1]
Today, most candles are made from paraffin. Candles can also be made from beeswax, soy, other plant waxes, and tallow (a by-product of beef-fat rendering). Gel candles are made from a mixture of mineral oil and a polymer.[2]
A candle manufacturer is traditionally known as a chandler.[3] Various devices have been invented to hold candles, from simple tabletop candle holders, to elaborate chandeliers.[4]
Официальный сайт компании: http://en.wikipedia.org/wiki/Candle
Тип деятельности: услуги
Численность штата: до 10 человек
Рубрики: энергетика, твердое топливо, автономное энергоснабжение, бизнес консультации, услуги, услуги безопасности и охраны, пожарная безопастность, экспертные услуги, инновационная деятельность