Complex sentence: Large bonfires are not amenable to the use of tools of the size commonly used in a indoor fire place, however some pyromaniacs have been known to weld rebar into clever shapes with which to move about the wood fuel in a moderately large bonfire.
Split into simpler sentences: Large bonfires are not amenable to the use of tools of the size commonly used in a indoor fireplace. However some pyromaniacs have been known to weld rebar into clever shapes with which to move the wood in a moderately large bonfire.