Materials and Construction
Metalloid is

Highly electronegative in nature
All of these
An element which exhibits the properties of both metal & non-metal
An alloy

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Materials and Construction
Mild steel is

A low carbon steel (0.05 to 0.3% carbon)
Highly resistant to corrosion (as much as stainless steel)
A high carbon steel (0.5 to 1.5% carbon)
Very poor in strength & ductility

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