Paragraph 100 I1

comprise slack wax (as to approximately 50% of the total weight) and sawdust (as to the remaining weight);

were manufactured from those constituents by a process of heat treatment and extrusion;

are approximately 280 millimetres in length, 75 millimetres in width and 75 millimetres in height, with a single groove running along each of the four 280 millimetre length faces;

have an average weight of 1.1 kilograms; and

have a sulphur content not exceeding 0.2% of the total weight.