Kei te whakamahia te miihini mo te whakaputa hua whakapaipai WPC, e whakamahia nuitia ana i roto i te whare me te mara whakapaipai a te iwi, nga ahuatanga kore-polution, te roa o te ratonga, te whakamahana wera, te ahi ahi, te maamaa ngawari me te tiaki, te whakarereke ngawari me te recycleable.