Sharaxaad: Torwell ASA (Acrylonitirle Styrene Acrylate) waa UV-u adkaysta, polymer cimiladu caan ku tahay.ASA waa doorasho aad u fiican oo loogu talagalay daabacaadda wax soo saarka ama qaybaha prototype kaas oo leh muraayad hoose oo dhalaalaysa taas oo ka dhigaysa fiilaha ugu fiican ee daabacaadda farsamada.Maaddadani way ka adkeysi badan tahay ABS, waxay leedahay dhalaal hoose, waxayna leedahay faa'iidada dheeraadka ah ee ahaanshaha UV-joogta ah ee codsiyada dibadda/dibadda.