Ko te pūnaha tirotiro utanga me te waka BGV7600 e whakamahi ana i te Betatron, ā, kei roto he pūnaha wira waka ka taea te hikoi i runga i ngā rori noa o te rohe tirotiro i roto i te tawhiti poto. I runga i te pūnaha tirotiro utanga me te waka ka taea te neke, hei whakapai ake i te pai me te tika o te tirotiro, kua hangaia anō e Begood te maha o ana hanganga miihini, pēnei i te whakarerekē i te pūnaha hiko reriwe whenua ki te pūnaha hiko wira waka, e whakaiti ana i te hiahia mo te wāhi e nohoia ana, e whakanui ana hoki i te whānuitanga o te nekehanga. Ko te whakaurunga o te pūnaha wira ehara i te mea ka whakaiti noa i te mahi mahi ā-iwi engari ka taea hoki e te pūnaha te whai mahi tirotiro piko iti-koki. Mō te whakaahua whakaahua me ngā wāhi taupatupatu, ka taea te whakamahi i tēnei mahi hei matawai anō i te waka e tirotirohia ana kia whiwhi whakaahua mai i ngā koki rerekē, he pai ake te whakapai ake i te pai o te tirotiro a ngā kaimahi i ngā taonga whakapae. E rua ngā momo mahi a te pūnaha: te aratau taraiwa-roto me te aratau matawai pūkoro, ā, ko te aratau matawai pūkoro e whakakahangia ana e te pūnaha hiko wira waka kua hangaia. I whakamahia e te pūnaha he hoahoa ārai-ā-iwi, kāore he take ki te hanga i tētahi pakitara ārai, ā, he iti ake te mahi ā-iwi e hiahiatia ana.
He iti te wāhi e nohoia ana e te pūnaha, ā, he pai mō te tirotiro whakaahua tuku waka utanga i ngā wāhi tirotiro kāore i te rawaka te wāhi.