Household candles are candles made of unpainted paraffin, have the usual cylindrical shape and white color. These candles are widely used in everyday life. This is the simplest and cheapest kind of candle. Most often they are used in conditions of temporary absence of electricity. The candle burns for a long time, is environmentally friendly, does not create any discomfort for others. Household candles are installed in a candlestick making the candle more stable.