At the first stage, the raw materials are pre-soaked, then cleaned, fleshed and picked over several times, trimmed, weighed chrome-tanned using chromium sulfate and other chromium salts; and so on, involving 15 steps the last being the "wet blue" product where it is wrung and set out.
At the initial stage, the raw materials are pre-soaked, cleaned, fleshed, picked over several times, trimmed, weighed, chrome-tanned using chromium sulfate and other chromium salts; and so on, involving 15 steps with the final product being "wet blue" where it is wrung and set out.