Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle.

What is Chromium Metal?- Properties, and Uses

Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6. It is a lustrous, brittle, hard metal. Its color is silver-gray and it can be highly polished.

Cam and Follower: Definition, and Types

Cams are used to convert rotary to linear (reciprocating) motion. As the cam rotates, the follower rises and falls in a process known as reciprocating motion.