[Jewelry making - Article 00835] - Re: [Orchid] Acetylene torch vs Water torch

[David Keeling]

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>     I would like to suggest a 3rd alternative, Propane. 

    Add a caveat here. Most public buildings will not allow propane in
    bottles larger than the disposable ones. Insurance companies freak
    out. My landlord allows me 2 "B" tanks of acetylene and 2 similarly
    sized oxygen bottles, but propane is forbidden. Why? 

    Acetylene dissipates if the tank leaks, as it is lighter than air.
    Propane, on the other hand, is heavier than air, and has a tendency,
    if it should leak, to pool in low-lying areas of buildings, waiting
    for a spark from a boiler or furnace to blow the place sky-high.
    That is precisely why propane powered vehicles are not allowed in
    underground parking garages. 

David Keeling
www.davidkeelingjewellery.com

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