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.
White Candles are bullish lines in candlestick and candlevolume charts. They signify that the closing price is higher than opening price for that time period. Long Lower Shadow. Long lower shadow of a candlestick indicates that the bears are loosing power and bulls are gaining power in that time period.