Lai-Fook, Richard Arthur2017-07-042017-07-04https://hdl.handle.net/2139/44505Please contact the West Indiana Division at the University of the West Indies,St.Augustine in order to view the full thesis. Contact: wimail@sta.uwi.eduScrews -- DesignMechanical wearPlastics -- ExtrusionThe design of screws to reduce wear in plastics extrudersTheses