give the name of a substance that is used as a fuel in the bunsen burner
natural gas
-1
Section::::Abstract.
Bunsen burner
4924
propane
-1
Section::::Abstract.
Bunsen burner
4924
butane ,
-1
Section::::Operation.

Bunsen burner
4924
1236049677475606023
NONE
Section::::Abstract.
Bunsen burner
4924