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

The chancre mechanics are skilled professionals who repair and maintain machinery.

The chancre mechanic fixed my car.

The human body has various defence mechanisms to protect itself from harmful pathogens.

The Penrose mechanism is a process in which energy is extracted from a rotating black hole.

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.

The human body has various defence mechanisms to protect itself from harmful pathogens.

I collect mechanical banks as a hobby.