Use tannin extract, fish oil, chemicals, etc. Soften hides and make leather.
English: Tan
Explain in detail:
transitive verb
1. Tanning (leather) and salting (leather)
sunburn
Sunlight and wind tanned the sailor's face.
The sun and wind tanned the sailor's face.
Whip your mouth
intransitive verb
1. tanning
My brother gets a quick tan.
My brother gets black as soon as he gets sunburned.
Noun (short for noun)
1. tannic acid
2. Brown; Suntanned skin
His arms and legs are tanned.
His arms and legs were tanned.
3. Brown shoes [P]
4. circus
a.
1. Tanning
2. brown
I bought a pair of brown leather shoes the other day.
I bought a pair of brown leather shoes the other day.