Ko te nuinga ka whakamahia hei aukati waikura, he wai antifreezing, taapiri antioxidant (tae atu ki te hinu whakahinuhinu, te hinu waipēhi, te hinu parai, te hinu hurihanga), te emugent, te whakapumau wai, te taapiri mo nga rauemi ngota teitei '(polyester me te polyesteramide) te kaha o te aukati ultraviolet me hiko anti- pateko, kaihoko antifogging whakaahua, rewa maina parahi, waikura puhoi me etahi atu.
