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cardcomm t1_j73iral wrote on February 3, 2023 at 8:27 PM

>but it's usually on older pipes from the 1960s or older

so those are brass pipes though, not copper, right?

cardcomm t1_j73iuc9 wrote on February 3, 2023 at 8:28 PM

> .05% of 1,000,000

is rare as hen's teeth