The quantum mechanical properties of the electron are fascinating.

Mechanical digestion breaks down food into smaller pieces.

Mechanical energies are forms of energy associated with the motion, position, or shape of an object.

He uses a mechanical larynx to communicate.

I bought a mechanical bank as a gift for my nephew.

Bio-mechanicals are becoming increasingly popular in the field of prosthetics.

The bio-mechanical arm is designed to mimic the movements of a human arm.

He suffered a bio-mechanical injury while cycling.

I collect mechanical banks as a hobby.

The mechanical lithospheres of the Earth's crust are responsible for tectonic plate movements.