Aijiren inogona kupa mabhodhoro ekuchengetedza akasiyana-siyana, anonyanya kushandiswa pakuongorora mvura uye ivhu. Iyi mhando yekuchengetera vial inogona zvakare kunzi EPA vial, kunyanya iyo 40ml screw cap EPA vial. Iyo yekuchengetera mabhodhoro eEPA screw-top ndeye 20ml-60ml, se20ml, 30ml, 40ml, uye 60ml.