oil is to refinery.
leather is made at a leather making factory
A medieval tannery was used for tanning leather.
tannery
Your dog needs training. Send him to Tannery.
Leather is tanned in a Tannery.
Leather is tanned in a factory called a tannery.
Leather is made in a tannery.
tannery
Tannery
Tannery
It is a tannery.
Use a mild oil based detergent, if that don't work head to a tannery