Igumbi lokuhlunga lepuleti le-PP nomshini wokuhlunga uhlaka liqukethe amapuleti okuhlunga e-PP kanye namafreyimu okuhlunga e-PP ahlelwe ngokulandelana, amukela uhlobo lokuphakela ekhoneni eliphezulu.Ipuleti nesihlungi somshini singakhishwa kuphela ngokudonsa ipuleti mathupha.I-PP plate kanye nomshini wokuhlunga uhlaka kusetshenziselwa izinto ezine-viscosity ephezulu, futhi indwangu yokuhlunga ivame ukuhlanzwa noma ishintshwe.Ipuleti le-PP nomshini wokuhlunga uhlaka kungasetshenziswa nephepha lokuhlunga ukuze uthole ukunemba okuphezulu kokuhlunga.