He whāriki roera porotaka kotahi-rārangi me te whare herehere kei roto ko ngā roera porotaka kua herea ki waenganui i te mowhiti 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. Ka taea te whakauru motuhake i ngā mowhiti o roto me waho, kia māmā ake ai te tāuta me te tango.
E rua ngā rara pūmau o te mowhiti o waho o te peera porotaka NUP, ko te mowhiti o roto ia o te peera porotaka he rara pūmau kotahi, he rara wetewete kotahi. Ko te tikanga tēnei ka taea e te peera porotaka NUP te whakanoho i te pou ki ngā taha e rua.
