He mata keri te mata tō, he mea hanga mō ngā hanganga ngohengohe pērā i te onepu, te uku, te toka ngohengohe rānei. Heoi, kāore e pai te mahi i roto i ngā hanganga kirikiri matotoru, toka mārō rānei. Ko ētahi o ngā whakamahinga ko te keri i ngā puna wai, te keri maina, te keri waiariki, te keri taiao me te keri tūhura. Mēnā ka taea, me whakamahi hei keri i ngā poka tuatahi nā te mea ka puta he tapahi e māmā ake ana te uru.
He mea hanga te anga o te anga ki te maitai tungsten carbide kounga teitei, me ngā kokonga hanga me te tapahi kotahi-wā, he pakeke teitei, kāore he kapiti, ā, he ātete pānga.
Mā te tikanga whakarewa rīpene koranu ahurei ka whakanui ake i te ātete kakahu o te tinana wiri.
He pepa hiato kounga teitei, matotoru hoki. Kāore e hiahiatia he whakapiri parahi mō te whakapiri hiriwa utu nui hei ārai i te kino o te roa o te whakamahinga o te pepa hiato.
He mea hanga motuhake te mata keri tō mō te keri. Ka taea e te waru koi te tapahi tere i te hanganga me te whakapai ake i te whai huatanga o te keri. He taputapu kaha mō ngā mahi keri.
Wā tuku: Hepetema-18-2024