How do I read the color of a spark plug? Look at the firing tip of your spark plug while paying close attention to the condition and color of the ceramic insulator and the metal electrode. Observe the color first. Light tan or gray deposits are normal, and an indication that everything is working well.
Definition of candle. 1  1 : a usually molded or dipped mass of wax or tallow containing a wick that may be burned (as to give light, heat, or scent or for celebration or votive purposes) 2  2 : something resembling a candle in shape or use a sulfur candle for fumigating.
Candles An expression of fire feng shui element used to purify the feng shui energy in any space. Career Area Feng shui bagua area connected to the energy of one's career success. Carnelian Popular stone with a combination of fire and earth element energies often used in feng shui cures.