Lo mgca wemveliso uqulunqwe ngumbhobho wentsimbi wokupakisha ukuhambisa, ukukhupha (ngaphambili nangasemva kwiseti nganye), isixhobo sokufudumeza esiphezulu, i-engile yokugqoka i-engile yokubumba, i-screw extruder enye, isixhobo sokupholisa. Umbhobho ngamnye wentsimbi unokudityaniswa nesinxibelelanisi esikhethekileyo, qonda imveliso eqhubekayo yokugquma i-extrusion. Imveliso yokugqibela ineempawu zokwaleka ezishinyeneyo, umaleko weplastiki obungqingqwa obufanayo, ubungakanani obuzinzileyo, umphezulu ogudileyo nococekileyo.
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