Kohatu puia(e mōhiotia ana ko te papara porous, ko te kōhatu rangitoto rānei) he kōhatu mura taiao e pai ana ki te taiao i hangaia e te rangitoto puia e tere whakamatao ana me ngā mirumiru hau kua mau. Ko te nuinga o te mea he mea hanga mai ite silica (SiO₂, 50%–60%), te alumina, te waikura rino, te konupūmā, te konupora, me te nui o ngā huānga iti pēnei i te konutai, te pāhare pāporo, me te titanium, he āhuatanga ahurei tōnahanganga pūwero o te honikoma (pūwero 20%–40%), he nui te horahanga o te mata, he kaha te mimiti, he koretake ngā matū, he ātete ki te kakahu, me te ārai wera. Kāore he irahiko, he haumaru hoki, e whakamahia whānuitia ana i roto i te maimoatanga wai, te tiaki taiao, te hanga whare, te whenua, me te ahuwhenua.

Matakōhatu puiaka tukatukahia mā te kuru, te tātari, te horoi, me te whakamaroke hei tango i ngā poke. He kounga teitei ngā mearahi pūwero ōrite (0.1–2mm), he kaha ā-mīhini teitei (≥15MPa), me te pH pumau (6.5–8.5), e whakarite ana i te roa me te mahi pumau i roto i te tātari me te hanganga.

He tino pai tōna mata pūwero, taratara hoki mō te tātari koiora:

• ◆ Wai Para ā-Taone me te AhumahiHei pāpāho tātari koiora i roto i ngā tātari hauhautanga, ka tangohia e ia te COD, te hauota haukini, me ngā konganuku taumaha; ka roa ake te ora ratonga ki te waro whakahohe.
• ◆ Wai Inu me ngā Whare IkaKa whakakapi i te onepu kiripaka/waro whakahohe hei mimiti i ngā poke, te hauwaiwai, me te whakatipu i ngā huakita whakangawari hei hanga wai mārama.
• ◆ Te Maimoatanga Hōhonu o te Wai Ua me te ParakaingakiKa whakaiti i ngā parahanga kia tutuki ai ngā paerewa whakamahi anō.

Ngā whakakotahitangamama, ārai wera, mimiti harore, ā, ātete paheke:

• ◆ Ngā Pakitara o Waho me rotoHe kakano tūturu, he ātete ki te ahi, he ātete ki te huarere; he pai mō ngā whare iti, ngā hōtēra, me ngā wāhi ahurea.
• ◆ Whenua me te Whakatakoto PapaĀrai-paheke, pakari mō ngā ara waka, ngā taupee, me ngā whare toka māra.
• ◆ Ārai MamaHe iti te kawe wera mō te whakamarumaru o te tuanui me ngā arai ātete ahi.
• ◆ Ahurea Kore-oneone me te Whakatikatika OneoneKa whakapai ake te hanganga pūwero i te rere o te hau/wai; ka tukuna ngā mea iti hei whakatairanga i te tipu o ngā pakiaka (ngā tipu succulents, ngā ōkiti).
• ◆ Moenga Kararehe me te Tāpiringa WhāngaiKa mimiti i te makuku/kakara; ka tāpiri i ngā kohuke mō ngā kararehe/manu.