Calaamadaha dhar-dhaqashada waxay ka samaysan yihiin waxyaabo deggan oo ku habboon PPS. Qalabkani waa caag injineernimada resin crystalline adag oo adag oo leh qaab dhismeed deggan. Waxay leedahay faa'iidooyinka caabbinta heerkulka sare, waxqabadka dahaarka wanaagsan, caabbinta kiimikada, sunta aan sunta ahayn, ololka reta ...
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