1. Brewing, leather tanning , cotton ginning, and fish processing are also important industries. 2. Leather tanning also makes up a significant portion of Ambato's economic output.3. Their building materials, mainly leather tanning , a sawmill, and other light industry. 4. The first class of products that showed promise were leather tanning agents. 5. In addition, he also set up a leather tanning factory in Balaju. 6. Leather tanning and logging were other early industries in the area.7. The villagers were active in logging, leather tanning , brick making, and iron casting. 8. Other industries include furniture production, tile production, stone quarrying, textile manufacturing and leather tanning . 9. Leather tanning is also one of the industries in Rustaq.10. These prisoners were valued for their skill in hunting, butchering, skinning, and leather tanning .