Mechanical properties only

Electrical properties only

Both mechanical and electrical properties

Chemical properties only

Nickel

Lead

Tin

Copper

Brass and copper

Copper and zinc

Tin and copper

Zinc and tin

Pistons

Electrical cables

Surgical instruments

All of the above

It deforms permanently (without fracture) under the action of external forces.

It can absorb maximum energy before fracture takes place.

It stores energy and resists shock and impact loads.

It will fracture or break without any appreciable deformation