PET (Polyethylene Terephthalate) sheet i thermoplastic polymer resin leyi tirhisiwaka ngopfu eka ku paka, ku katsa na mabokisi ya blister. Yitirha tani hi nchumu wosungula wo vumba swifunengeto leswi vonakaka, swo sirhelela leswi funengetaka switirhisiwa.
Ina, PET maphepha ya tekiwa ya hlayisekile 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