Kanema wa 0.5 mil (12.7 micron) wopangidwa pogwiritsa ntchito grooved-feed extruder pamlingo wa 225 lb / h wokhala ndi phesi lalitali 7 x Die Diameter, 4: 1 Blow-Up Ratio (BUR), mainchesi 6 akufa komanso ndi 0.040 inchi kufa kusiyana. Zomwe zimatchulidwa pano zikuyimira chinthucho pansi pazimene zimapangidwira, ngakhale kuti mafilimu amatha kusiyana malinga ndi momwe mafilimu amawombera. Choncho, deta sayenera kugwiritsidwa ntchito pazifukwa zinazake.
Asanagwiritse ntchito mankhwalawa, wogwiritsa ntchito amalangizidwa ndikuchenjezedwa kuti adziwonetse yekha ndikuwunika chitetezo ndikukwanira kwa chinthucho kuti chigwiritsidwe ntchito mwachindunji ndipo akulangizidwanso kuti asadalire zomwe ziliapa monga momwe zingakhudzire kugwiritsa ntchito kulikonse kapena kugwiritsa ntchito. Ndi udindo waukulu wa wosuta kuonetsetsa kuti mankhwala ndizoyenerera ndipo chidziwitsocho chimagwira ntchito pakugwiritsa ntchito kwa wogwiritsa ntchito. Chevron Phillips Chemical Company LP sichonchokupanga, ndikudzikana, zitsimikizo zonse, kuphatikiza zitsimikizo za malonda kapena kulimba pazifukwa zinazake,mosasamala kanthu kuti ndi pakamwa kapena zolembedwa, zofotokozedwa kapena zonenedweratu, kapena akuti zimachokera ku ntchito iliyonse yamalonda kapena njira iliyonseyokhudzana ndi kugwiritsa ntchito chidziwitso chomwe chili pano kapena mankhwala omwewo. Wogwiritsa amangoganizira zoopsa zonsendi chiwongolero, kaya chochokera mu mgwirizano, nkhanza kapena mwanjira ina, mogwirizana ndi kugwiritsa ntchito zomwe zili pano kapenamankhwala okha. Kupitilira apo, zambiri zomwe zili pano zimaperekedwa popanda kukhudzana ndi nkhani zaukadaulo, komansomongamalamulo a federal, aboma kapena am'deralo omwe angakumane nawo pakugwiritsa ntchito. Mafunso otere ayenera kufufuzidwa ndi wogwiritsa ntchito.