The plastic wastes come in different shapes and sizes. We will use machines such as Shredder and Crusher to reduce the materials to a size of suitable for our end use. If it is of high grade quality plastic, the size is kept as 25mm x 25mm x 25 mm and for medium grade plastic it will kept about 10mm and for lower grade plastic the shredding/crushing is done to make very fine pieces of plastic. The purpose is to ensure a smooth and constant flow of the plastic wastes into the system like pyrolysis plant or to plastic extruder machines.