Wāhanga ngira tere teitei V12/15
1. He whakatupuranga hou te Mīhini Whakairoiro o ngā taputapu motuhake mō te rīpene, pērā i te rīpene, te putea tākai, te takai hauora me ētahi atu. 2. He tere te whakahaere, ā, ka taea te tere ki te 800-1300 rpm, he pai te mahi, he nui te hua. 3. He ngāwari te whakahaere i te mōtini tahuri auau kore-taahiraa, he penapena mahi, ā, he tiaki i te miro. 4. He tino tika te hanga o te mīhini, he hototahi, he pakari, he ngāwari te whakahaere, he kore utu te whakarerekētanga, he tere te tuku i ngā wāhanga e manawapa ana, ā, he ngāwari te tango me te tiaki. 5. He iti te rahi o te tautuhinga takai, ā, he ngāwari ki te whakamahi, ā, ka mutu aunoa te tautuhinga rīpene takai.