History of Exhaust pipe

	Revision 2 . . May 10, 2001 8:48 pm by (logged).112.220.xxx
	Revision 1 . . May 10, 2001 8:48 pm by (logged).112.220.xxx

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Changed: 1,3c1

Exhaust pipes (or chimney?s) are used to guide smoke away from a controlled combustion inside an engine or stove?. See also pipes.

Exhaust pipes (or chimney?s) are pipes used to guide smoke away from a controlled combustion inside an engine or stove?.