Ububiko no gupima hakurikijwe amabwiriza n'amabwiriza agezweho. . Niba umurongo uhari, karuvatiye nyuma ya buri gukoresha. Kubika kontineri ifunze neza kandi yanditseho neza. Ububiko bwibikoresho kuri pallets. Irinde ibiryo, ibinyobwa n'ibinyobwa. Komeza gutandukana nibintu bidahuye. Irinde amasoko yo gutwika, ubushyuhe n'umuriro.
Ububiko budahuye: gutandukanya abashinzwe kugabanya, Ammoni, Umunyu wa Amoni, Amine, aside, acide, ibishishwa bikomeye, umwuka wuzuye cyangwa amazi meza.
