6630/6630A Kiriata polyester/waiwaiwai papanga kore-whatu laminate ngawari (DMD), ka kiia hoki ko te B-akomanga DMD pepa whakahiato hiato ngawari, he toru-papanga laminate ngawari e hono ana ia taha o te kiriata polyester (M) ki te kotahi paparanga o te papanga polyester kore-whatu (D). Ko te parenga waiariki ko te Class B.