Part of the museum features an exhibition about the tanning process.

As part of the tanning process, dye was used to tan skins.

The tanning process is the body's attempt to defend itself against the sun's damaging rays.

I assume you use urine in the tanning process, right?

Prior to this, there is very little known about the tanning process of ostrich skin.

The leather company used the trees' bark in the tanning process.

He said that modern efforts to duplicate the tanning process lost in the Revolution have failed.

Salt was involved in the tanning process, and the tanners traditionally had charge of it.

At one time it may have been used in the grinding of bark for use in the tanning process.