1 Natural gas burns with a bright blue flame.

2 The fire flared up with salty blue flames and the driftwood crackled and spat.

3 Jim kindled the Easter fire, a blue flame at first barely visible above the silver rim of a white bowl.

4 Blue flames were running up and down the wires, and blobs of melted plastic insulation were dripping down.

5 The comforting blue flame of the pilot light was dead,(www.Sentencedict.com) blown out by the gusting wind of the night before.

6 The blue flame, canoodle in deep and exquisite.

7 The blue flame of the exhausts stabbed the darkness.

8 The paper burned with a yellow and blue flame and then disintegrated.

9 A blue flame is indicative of the presence of methane in the flatus.

10 When blue flame shines , a happy ground put Li Changjin firecracker.

11 The double torch blue flame is easily adjustable and wind resistant.

12 The gas was given its name because steam is used in its preparation and because it burns with a bright blue flame.

13 She ate dinner alone before a fire made of driftwood that sent salty blue flames leaping up the chimney.

14 A gas burner on a cooker should burn with a blue flame.

15 October's bright blue weather - Helen Hunt Jackson ; a blue flame; blue haze of tobacco smoke.

16 When he turned the knob on the stove, the blue flame that erupted under the teakettle gave a dim glow to the room.