Ko te raupapa Whakapiri ma te Hiriwa Aluminum he momo poaka.He hangarau tukatuka motuhake me te maimoatanga mata, kia maeneene, kia papatahi te mata o te pepa konumohe, he kotiti ke te ahua, ko te tohatoha rahi o te matūriki, he maamaa nui, he paura huna kaha.Ka whakamahia whānuitia i roto i nga peita ahumahi whanui, marinepaints, 3Cpaints me te peita waituhi ect.a he pai te whakataetae me te punaha paninga.