Neimwe nzira, chubhu yemiromo inogona kugadzirwa kubva kuPET (PCR-PET) inoshandiswazve. Izvi zvinowedzera mwero wekupora uye zvinoderedza kuburitswa kwecarbon dioxide.
Zvinhu zvePET/PCR-PET zvakanyoreswa kuti zvine giredhi rechikafu uye zvinogona kushandiswazve zvizere.
Sarudzo dzemagadzirirwo akasiyana-siyana - kubva patsvimbo ine mavara anoonekera uye ane mafashoni kusvika pamuromo wemuromo mutema wakanaka.
Miromo yemuromo ine zvinhu zviviri.