One makes black powder used in the manufacture of rubber.

This goes to be used in the manufacture of plasterboard.

Heat treatments are also used in the manufacture of many other materials, such as glass.

Fibers are often used in the manufacture of other materials.

The chemical is also used in the manufacture of rubber.

This dye was used in the manufacture of uniforms from 1947.

The tree's gum is used in the manufacture of candy.

The crude salt is also used occasionally in the manufacture of glass.

It is used in the manufacture of lenses and windows.

It is used in the manufacture of high grade porcelain.