Cotton jins sorting cotton and cleaning
<a rel="nofollow" class="external text" href="https://www.cdc.gov/niosh/">National Institute for Occupational Safety and Health (NIOSH)</a> from USA
2008-05-14 13:20
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/25069384@N03/2492853298/">Cotton jins in use</a>