Materials and Construction
Monel alloy is

Not suitable for making kitchen utensils
Used for making steam valves and turbine blades as it resists steam attack at high temperature
The costliest of all the alloys of nickel
Not used in cast and wrought forms

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Materials and Construction
Lead pipe is

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

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