taiwhatu 20 tonne
Kei te whakamahia te kāwai pūtahi 20 tona hei mea āwhina nui me te mōhiotanga, i hangaia hei kawe i ngā rauemi motuhake ki ngā mahi hanga, ngā kaupapa koiminerā, me ngā kaupapa tuhinga. E ai ki ngā waka rōpu nei, e āhei ana te kōpu o roto i te kāwai ki te pakaru i te waewae tuatahi kia taea te whakawāhia i ngā whatu i te wā hē ki te wā pai. Ki te āheinga o 20 tona te āheitanga o te kāwai nei, kei reira te hōnore pai i waenganui i te whiuwhiu me te āheitanga. Ko te hanganga o te waka e whakauru ana i ngā rangatira whakapakari me te hanga tangata whakapiki kaha hei whakarite i ngā whatunga nui noa me te whakamātau i runga i ngā whenua rerekē. Nō ngā kāwai pūtahi 20 tona o nāianei, e mau ana i ngā purengi waihanga pai, e āhei ana i waenganui i te 300 ki te 400 hōkīpū, hei whakamana i te āheitanga hiahia mo ngā momo mahi whakamātau. Kei te tirohia e te hanga koki nei te manaakatanga me te haumangatanga o te kaiwhakahaere, e mau ana i ngā kaiwhakahaere ērongo, i ngā raraunga ake tonu, me ngā whakaaturanga whakamātau pai hei whakamohio i ngā raraunga hoki i te wā. He maha ngā tohu ā-taua kia taea ai te whakawehi i te manaaki i runga i ngā ture ara. Kei te hangaia te kōpu i runga i te kōwhatu whakatikatika, e āhei ana ki te whakakapi i ngā whatu katoa me te whakaiti i te pūtake o te whatunga. He mōhiotanga nui ngā tohu ā-mutunga, he hokohoko whakapā mai, me te whakahaere pūnaha motuhake.
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