E rua ngā momo keri matua, ko tētahi he keri momo potae, ko tētahi he keri momo ara. He painga me he ngoikoretanga ō ēnei whirihoranga e rua, ā, me whakatau tuatahi koe ko tēhea whirihoranga e tino tika ana mō ō hiahia.
Kātahi ka hiahia koe ki te whakatau mēnā he keri "paerewa" tāu e hiahia ana, he keri motuhake rānei. Kāore i te maha ngā rerekētanga hanganga i waenga i ngā keri rerekē, ahakoa te whakawhiti mai i tētahi waitohu ki tētahi atu. He mīhini maha-mahi ngā keri, ā, ko te tikanga me whakarerekē noa i ngā taputapu kia rite ki te mahi e tika ana kia oti.
Heoi anō, ka taea te whakamahi i ētahi whirihoranga mō ngā āhuatanga motuhake, pēnei i:
Ka taea te toro atu i ngā ringa tautoko o te keri ki te tihi o te whare mā te whakamahi i ngā taputapu wetewete. Ko te nuinga o te wā ka tiakina te kāpata o te taraiwa mai i ngā rauemi e hinga ana, ā, ka taea te whakatītaha ki runga, kia kite ai te kaiwhakahaere i te wāhi e mahi ana rātou.
Ka taea e te keri whakatītaha kore hiku te hurihuri me te kore e neke ake i te mata o te mīhini, kia taea ai te mahi tata ki ngā pakitara me te kore e pā ki ngā pakitara.
He 'waewae' honohono tō ngā keri hīkoi hei āwhina i a rātou ki te mahi i ngā whenua pari, paripari rānei.
He ringa tō te keri maha-mahi me te hononga tāpiri hei whakanui ake i tōna whānuitanga nekeneke me te whakarei ake i te maha o ngā mahi a te mīhini.
Kei reira anō ngā tauira rerewē huarahi nui mō te mahi i runga i ngā rerewē, ngā tauira waka whenua mō te mahi i runga i ngā wai, me ērā atu mea.
Ko ngā paearu matua mō te whiriwhiri i ngā keri ko tōna rahi me tōna kaha. Ko te rahi o te mīhini ka tohuhia e tōna taumaha mahi (hei tauira, ka taea e tātou te kī: he keri 10 tana). He maha ngā rahi hei whiriwhiri māu, mai i te tauira iti rawa iho i raro i te 1 tana ki te keri keri tuwhera neke atu i te 100 tana.
Me whiriwhiri koe i tētahi keri e tika ana mō ō hiahia. Mēnā he iti rawa te tauira, kāore pea e tutuki i ngā whakaritenga o te mahi, engari he nui rawa, he koretake hoki.
Mā te taumaha o te keri ka taea te whakaatu i te rahi whānui o te mīhini, engari he mea nui kia mōhio ka taea e te ringa karetao te tae ki te tawhiti mōrahi e tika ana kia mahi. Ko te nuinga o ngā kaihanga e whakarato ana i ngā tūtohi i roto i ā rātou tuhinga hangarau e whakaatu ana i te nekehanga o te ringa karetao, e tohu ana i te teitei me te hohonu mōrahi ka taea te whakatutuki.
Ko tētahi atu mea nui ko te mana o te miihini, e whakarato ana i te mana ki te taputapu waipēhi, e whakarato ana i te mana ki te ringa karetao me ngā taputapu kua tāutahia ki te ringa. E pā ana te miihini ki te rahi o te mīhini, engari tera pea he rerekē anō hoki, nā te mea ka taea e te miihini kaha ake te mahi i ngā mahi uaua ake.
He maha ngā mīhini keri he mīhini tīhiera, ahakoa i ngā tau tata nei kua kite tātou i te putanga mai o ētahi mīhini tīhiera/hiko ranu he pūnaha whakaora pūngao kei roto.
Nō reira, me tutuki ngā keri i ngā paerewa ārai parahanga o nāianei o te whenua/rohe e whakamahia ana, inā koa te pūnaha whakarōpūtanga i te Hononga o Amerika me ngā paerewa tukunga i Ūropi.
I muri i te whakatau i ngā āhuatanga matua o te keri e hiahiatia ana, ka taea hoki te whiriwhiri i te keri i runga i ngā paerewa pēnei i te ergonomics, te whakamarie, ngā taputapu āwhina mahi, te taumata haruru rānei o te tūranga taraiwa.
Tetakirere kakau pairati kerimetakirere waewae pairati keriHe mea hanga e Ningbo Flag-Up Hydraulic Co., Ltd. he ergonomic ā-ngaio, ā, he tino pai te whakamarie, te whakahaere, me te haumaru. Tena koa whakapā mai ki a mātou, ā, ka whai mātou i tētahi tīma ngaio hei whakautu i ō pātai katoa.
Wā tuku: Whiringa-ā-rangi 16-2023