Some designs allow the fuel feed tube to pass through the burner flame before reaching the jet to reduce this risk.

Auto reignition is a process used in gas burners to control ignition devices based on whether a burner flame is lit.

Most gas ranges and cooktops use sparking devices to ignite the burner flame.

The cold air partially inflates the balloon to establish its basic shape before the burner flame is aimed into the mouth heating the air inside.

Remove the cover to the burner chamber and look at the burner flame.

They operated only as chimneys, with a burner flame that produced a draft.

Steam feed is taken from the bottom of the boiler, through the burner flame for superheating, and out to a compression fitting on the valve chest.

A visual check of the burner flames may signal a problem.

A Bunsen burner flame was then applied to the 'candle'.

I took a strip of magnesium in the tongs and held it to the burner flame.