Materials and Construction
Lead is

Used as a cathodic material
Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings
Not resistant to corrosion
Not used as pigment (in its compound forms) for paints

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Materials and Construction
Lead pipe is

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

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