Paragraph 16
England, Wales and Scotland
Coalite Ovals, manufactured by Maxibrite Limited at Mwyndy Industrial Estate, Llantrisant, Mid Glamorgan, South Wales, which—
comprise bituminous coal (as to approximately 10 to 15% of the total weight), petroleum coke (as to approximately 70 to 80% of the total weight), and anthracite duff and starch binder (as to the remaining weight);
were manufactured from those constituents by a process involving roll-pressing and heat treatment at approximately 260 °C;
are unmarked pillow-shaped briquettes that are approximately 84 millimetres in length, 38 millimetres in width and 62 millimetres in height;
have an average weight of 118 grams per briquette; and
have a sulphur content not exceeding 1.9% of the total weight.