If you are, say, trying to boil water, and you have the butter tub or another container holding water around the gas canister, wouldn't it be smart to add some of the heated/heating water from the pot to the tub to warm up the gas canister while you are trying to get the water to actually boil?
Exactly. You are therefore transferring heat
indirectly from the stove to gas canister. This has the same effect as wrapping a copper wire around the canister and running one end of the wire into the flame, BUT the water is much safer since the "connection" is indirect and under your control. Heat transfer with the water method only happens when you do something. With a copper wire, that heat goes into the canister continuously. You don't control it; you can only react to it.
HJ
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