For making spiral staircases, the ideal material is
The purest form of iron is
Carbon content in wrought iron is
The ratio of tensile strength to the compressive strength of steel is
Ribs are made on steel wires to increase
The property of metal enabling it to be drawn into thin wire is known as
The property of the metal enabling it to be transformed it into different shapes by heating is
The property of metals due to which it can withstand shock is
Market form of copper is/are
The ore from which aluminium is extracted economically is
