He whāriki roera rārangi kotahi me te whare herehere kei roto ko ngā roera porotaka kua herea ki waenganui i te mowhiti totoka o waho me te mowhiti o roto. He tino pakari ēnei whāriki, ka taea te tautoko i ngā kawenga porohita taumaha, ā, he pai mō ngā tere teitei.
E rua ngā rara pūmau o te mowhiti o waho o te peera porotaka NJ, engari kotahi te rara pūmau o te mowhiti o roto o te peera porotaka. Ko te tikanga tēnei ka taea e te peera porotaka NJ te whakanoho i te pou ki te taha kotahi.
