Materials and Construction
Babbit metal (used for making bearings) comprises of

Zinc and aluminium
Mainly tin (85%) and lead
Copper and aluminium
Saw dust and iron dust mixture

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Materials and Construction
Lead pipe is

Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
Especially resistant to solutions containing H₂SO₄
All of these
Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain

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