“The sparks generated by striking steel against a flint provide the activation energy to initiate combustion in this Bunsen burner.”

“Before the internal combustion engine was adapted for use in fishing boats, human strength was the only means of conquering the seas.”

“The unpiloted vehicle's supersonic combustion ramjet, or scramjet, ignited as planned and operated for the duration of its hydrogen fuel supply.”

“If you see smoke, check with your wood heat dealer or chimney sweep on further advice on when to replace the combustor.”

“During supersonic flight, the fan may be feathered, and a surplus of fuel may be introduced into the core combustor.”

“In the energy recovery unit, up to 600 tonnes a day of refuse will be directed to a three-stream fluidized bed combustor.”

“It has been found that it imparts a violet red tint to the Pyrex tubing after the latter has been used for a few combustions.”

“Sometimes fights are spontaneous combustions, a punch thrown to avenge a perceived cheap shot.”

“Each one of the gases resulting from the oxidation of atmospheric nitrogen in combustions as a result of temperature and pressure.”