To reduce the size of both the Sub and grinder to reduce the size of the step is often important in mechanical processing, which will make a big thing of smaller size which makes it suitable for the device.
Both the small size reduction and crushing to downsizing often a crucial step in the mechanical processing of bulk, which makes smaller which makes for a compact device.
Size reduction are both digestion and grinding size reduction is often important step in mechanical processing, which will make the large object smaller, which will make the proper size for equipment .