Iji nweta anụ extrusion na edo plasticization, anyị na-ama kachasị dum mmepụta akara na formulation.The okokụre ngwaahịa n'elu bụ ike na-egbu maramara na atụmatụ nke wpc ụfụfụ osisi bụ yiri osisi na ike-gbapuru, cutted na kpọgidere, etc