What Is a Foot Candle?
Candles are a daily lighting tool made mainly of paraffin. In ancient times, they were usually made from animal oils. Can burn and emit light. In addition, the use of candles is also very wide: it is also important in birthday banquets, religious festivals, collective mourning, red and white weddings and other activities. In literary and artistic works, candles have the symbolic meaning of sacrifice and dedication.
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- The main raw material of candle is paraffin wax (CH). Paraffin wax is made from waxy fraction of petroleum by cold pressing or solvent dewaxing.
- The candle burning we see is not the burning of paraffin solids, but the ignition
- Appeared around the 3rd century BC
- There are three ways to make candles: one is: candle mold, plastic mold, alloy mold, sand turning mold; the second is: candle machinery; the third is: candle filling machine.
- Specially treated
- Why blow candles on my birthday? Some say
- 1,
- Put the candle in the refrigerator to freeze. After a few minutes, light the candle without dripping wax oil.
- Do not place candles near flammable items such as appliances and curtains.