Wait till it cools off, then wipe the outside with a damp cloth. Unless you got chemicals on it, though, you usually don't need to--the flame is above the barrel, and the fuel burns off when you turn off the gas.
You could also do the next answer too...
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Put it in the dishwasher.
Robert Bunsen invented the Bunsen burner if that is what you mean?
The Bunsen burner,the Bunsen cell battery
It gave him the idea to call it the Bunsen because he invented it and so he decided to put his surname as Bunsen and it is a burner so Bunsen Burner
Robert Bunsen never married.
Robert wilhelm Bunsen and Gustav Kirchoff
A Bunsen burner.
Blue flame is a clean flame.
Robert Bunsen invented the Bunsen burner if that is what you mean?
The Bunsen burner was made by Peter Desaga but with some indications from Robert Bunsen.
Robert Bunsen invented the Bunsen Burner in 1867.
Robert Bunsen was the inventor of the Bunsen burner
The Bunsen burner,the Bunsen cell battery
Robert Bunsen was the person who invented the Bunsen burner in 1855.
Bunsen burner: Robert Bunsen and Peter Desaga, Heidelberg (Germany), 1855
Robert Bunsen was the person who designed the mechanics of the Bunsen burner at the University ofHeidelberg.
because Robert Bunsen made it :)
Bunsen.