In article ,
Mary Fisher wrote:
That's why when you're doing lead plumbing you need to prevent the
oxidation to allow soldering, with tallow or some other flux.

Tallow isn't a flux - quite the reverse. You use it on the wiping cloth to
stop it sticking to the molten lead.

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*Proofread carefully to see if you any words out or mispeld something *

Dave Plowman London SW
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