Pelletization
Pelletization is the process of turning something, usually a metal ore or animal feed, into small pellets.
In ores, usually something is added to the pellets to make them more usable. After the ore is pelletized, it has to be cooled down to be used.
Pelletization Media
Processed Taconite pellets as used in the steelmaking industry, with a US Quarter shown to scale.