Paragraph 59 I1

comprise of bituminous coal and petroleum coke (each as to approximately 10 to 15% of the total weight) and anthracite duff and cold setting binder (as to the remaining weight);

are manufactured from those constituents by a process involving roll pressing and cold curing;

are unmarked pillow-shaped briquettes that are approximately 68 millimeters in length, 63 millimeters in width and 38 millimetres in height;

have an average weight of 110g per briquette; and

have a sulphur content not exceeding 1.9% on a dry basis.