19 12 12 Other wastes (including mixtures of materials) from mechanical treatment of wastes other than those mentioned in 19 12 11 80%
19 12 12 Gwastraff arall (gan gynnwys cymysgedd o ddeunyddiau) o drin gwastraff yn fecanyddiol ar wahân i'r hyn sy'n 19 12 11 80%