50 tāne
12m~35m
6m~18m, whakarite rānei
A5~A7
Ko te kerēne whakarara takirua me te wira he anga tatau, he pūnaha tuku hiko, he tikanga hiki, he tikanga whakahaere kāreti me te tikanga whakahaere potae. Ka taea e ngā wira te hikoi noa i te kerēne me te kore e whakatakoto i te ara, ā, ka taea hoki te huri, nō reira he ngāwari te mahi, he ngāwari hoki te whakamahi. Ka taea te hiki i te 50 tana o ngā taonga i te wā kotahi, engari nā te mea he whakarara i ngā pito e rua, ka roa ake te tawhiti o te kawe taonga. Ā, ka tino whakaitihia te mahi whakahaere a ngā kaimahi, ā, ka penapena i te wā mō te whakahaere utanga.
I taua wā, ka taea te wehewehe i ngā momo kerene gantry i hangaia e tā mātou kamupene ki ngā kāwai e whai ake nei:
① Te kereini gantry noa: Ko tēnei momo kereini te mea e whakamahia whānuitia ana, ā, ka taea te hapai i ngā momo wahi me ngā rauemi papatipu, he iti iho i te 100 tana te kaha hiki, ā, he whānui mai i te 4 ki te 35 mita. I te nuinga o te wā, he teitei ake te taumata mahi o ngā kereini gantry noa me ngā ararewa peere hopu.
②Ngā kerene gantry mō ngā teihana hiko wai: e whakamahia ana mō te hiki me te whakatuwhera me te kati i ngā kēti, ā, ka taea hoki te whakamahi mō ngā mahi tāutanga. Ko te kaha hiki he 80-500 tana, he iti te whānui, 8-16 mita; he iti te tere hiki, 1-5 mita ia meneti. Kāore i te maha te whakamahi i tēnei momo kerene mō te hiki, engari ina whakamahia mō te hiki, me whakanui ake te taumata mahi kia tika.
③Te kerēne hanga kaipuke: E whakamahia ana hei huihui i te anga i runga i te taunga. E rua ngā tōreti hiki: ko tētahi he matau matua e rua, ā, e rere ana i te ara o te pari o runga o te piriti; ko tētahi he matau matua me he matau āwhina. E rere ana i te ara o te pari o raro o te anga piriti hei huri me te hiki i ngā wāhanga nui o te anga. Ko te kaha hiki i te nuinga o te wā he 100-1500 tana; ko te whānui he 185 mita; ko te tere hiki he 2-15 mita ia meneti.
④Kēne kerēne kerēne: e whakamahia ana i roto i ngā taunga kerēne. Whai muri i te kawe a ngā wakatō i ngā kerēne kua tangohia mai i te kaipuke mā te piriti kawe kerēne pakitara o te tauranga ki te papa, ki muri rānei, ka whakarārangihia e te kerēne kerēne kerēne, ka utaina tika rānei, ka haria atu, ka tere ake te hurihanga o te piriti kawe kerēne, o ētahi atu kerēne rānei. Ko te papa kerēne ka taea te whakarārangi kia 3 ki te 4 ngā paparanga teitei, kia 6 ngā rarangi te whānui, e whakamahia whānuitia ana i roto i te momo potae, ā, he pai hoki i roto i te momo rēriwe. Ko te tere hiki he 35-52 mita ia meneti, ā, ko te whānuitanga ka whakatauhia e te maha o ngā rarangi o ngā kerēne me whakawhānui, me te mōrahi o te 60 mita.
Mena he pātai āu, nau mai waea mai ki te waiho karere. Kei te tatari mātou mō tō whakapā mai mō ngā haora 24.
Uiui Inaianei