Le divayisi isetshenziselwa ukulinganisa okunembile kweshubhu/hose high speed extrusion, ukunemba kokulawula i-vacuum +/-0.1Kpa, idigri yevacuum ingalungiswa ngokuzenzakalelayo.
Umsebenzisi wokugcina angakhetha ithangi lobude obungu-4m/6m/8m ngokuya ngokucaciswa kweshubhu/hose okuhlukile.
Eyethuinzuzo