Imported catalyst is not separated in to individual varieties so Team Members have to sort them in to each grades and checking numbers. Way of cutting differs depending on wrecker. Some has been cut neatly with oxygen or plasma cutting machine, some with nibbler or cutter. Those were all mixed so Team Member had to sort them. This is regular operation so he was paying attention but he got injured since what he carried this time was very sharp. Spearheaded part stabbed Team Members upper left knee. Photo below is sorting area.