PET (Polyethylene Terephthalate) sheet i thermoplastic polymer resin leyi tirhisiwaka ngopfu eka ku paka, kukatsa na mabokisi ya blister. Yitirha tani hi nchumu wosungula wo vumba swifunengeto leswi vonakaka, swo sirhelela leswi funengetaka switirhisiwa.
Ina, maphepha ya PET ya tekiwa ya hlayisekile eka ku paka swakudya na mirhi. Ti fikelela swilaveko swo tika swa milawu naswona ti amukeriwa ngopfu eka swikombelo swo tano.
Sungula Phurojeke ya Wena na Hina