- The blue flame of the exhausts stabbed the darkness.
- A gas burner on a cooker should burn with a blue flame.
- The paper burned with a yellow and blue flame and then disintegrated.
- Among them, with coal, coke, Lu'an, Yang coal have achieved part of the listing of the Blue Flame coal shares also have entered the listing process.
- Now every minute, all of it as pure alcohol, burning into the happy light blue flame, without leaving any trace of waste.
- What grandmother boils is everyday samp, with slow fire, blue flame is extended shrink the ground is licking boiler bottom, the internal heat in boiler is being hit come back rise.