Ko te ahua he uaua me te ahua;He pai mo nga mopeds hiko, paihikara takai, kuta, etc;Ka whakamahia e ia te arotahi PMMA whatu ki te tohatoha i te rama me te miihini-auto-maama-nui-a-ringa;Huihuia ki runga paipa waka (e tika ana mo te diameter o waho 44-55mm), me te mahi haona.