PCR mizere eyiti machubu amapangidwa ndi 100% koyera polypropylene ndi kopitilira muyeso-woonda khoma mamangidwe, amene angathe bwino kusintha kutentha kutengerapo madutsidwe ndi kupanga kulamulira kutentha kwa yankho anachita mkati machubu mofulumira ndi molondola, ndipo ndi oyenera ambiri. Chida cha PCR ndi chida chenicheni cha PCR pamsika.