Materials and Construction
Monel alloy is

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

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Materials and Construction
Wrought iron is

An alloy of iron, chromium & carbon
Highly resistance to acid corrosion
High carbon iron
Malleable & ductile; and hence is used for chain links, hooks & couplings

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