Whakaahuatanga Poto:

Ko te kiriuhi muka te mea e whakamahia ana hei kiriuhi matua o te tātari, he kōhao 100 ~ 300nm, he nui te porosity me te horahanga mata motuhake nui.

Whakatakotoria he mata hohonu me te tātari pai ki roto i te mea kotahi, ka ārai i ngā poke rerekē te rahi o te matūriki, ka tango i ngā konganuku taumaha pēnei i te konupūmā me te konupora iona me ngā hua patu huakita, ka whakapai ake i te kounga o te wai.