Ko ngā peera whakauru raupapa SA he peera pōro rarangi kotahi, me te mowhiti o waho porowhita, te pū whakarara me te kara maukati rereke.
Ko te whakaurunga peera Whai-Lube, e mōhiotia whānuitia ana ko te peera mowhiti whānui o roto, he mea hanga kia rite ki te whānuitanga o ngā whare e tukuna ana i roto i te whānau peera Whai-Lube, ā, he pai hoki mō ngā tono e pai ake ai te whare o te kaiwhakamahi.
Maukati kara rerekē
Ko tēnei momo raka he diameter rerekē kua hangaia ki runga i te mowhiti o roto kua roa o te peera e whakauru ana i tētahi diameter rerekē kua hangaia rite ki te poka o tētahi kara motuhake. Ka tutuki te raka mā te huri i te kara ki te ahunga o te hurihanga o te pou kia tino mau ngā diameter rerekē o te kara me te mowhiti o roto. He kōhao matapo kei te kara hei whakahaere i te whakakī i te wā e raka ana te peera ki te pou.