A waste ), put up for retail sale : 56.06-11 , 15 Yarn of synthetic textile fibres ( discontinuous or waste ), put up for retail sale 57 56.06 Yarn of man-made fibres ( discontinuous or B waste ), put up for retail sale : 56.06-20 Yarn of regenerated textile fibres ( dis­ continuous or waste ), put up for retail sale 58 58.01 58.01-01 , 11 , 13 , 17 , 30 , Carpets , carpeting and rugs , knotted ( made up or 80 not) 59 58.02 Other carpets , carpeting , rugs , mats and matting , ex A and 'Kelem', 'Schumacks' and 'Karamanie' rugs B and the like ( made up or not): 59.02 Felt and articles of felt , whether or not ex A impregnated or coated :