In article ,
steamer wrote:

--Plastic lids. I'm a little concerned with the material giving way
over time. Plus the current plan is to have 'em hanging from a roof truss,
i.e. I'll be walking beneath them from time to time; I'd hate to have one
fall on my head or worse, on someone visiting the shop...

The threads are pretty strong, use a fender washer or bigger on the
inside. If in doubt, fill the jar with lead and test.

--
Free men own guns, slaves don't
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