He mea nui ngā pereti wehewehe me ngā pereti pito
mō ngā poraka whakamutunga. Ka whakaratohia e ngā pereti wehewehe te whatu me te
te wehenga hiko o ngā pūmanawa rerekē me ngā rōpū mahi, te whakanui ake i te haumaru me te whakarite i tētahi hanganga mārama
i roto i te kāpata whakahaere. Ka kati ngā pereti pito i te pūrua
rarangi poraka i ngā taha, ārai i te pa atu ki ngā mea ora
ngā wāhanga, ā, kia ma, kia pumau hoki te mutunga. E ōrite ana ngā wāhanga e rua ki te raupapa poraka Weidmüller, e whai wāhi ana ki te haumaru, te tutuki i ngā whakaritenga, me te ngaio o ngā waea.