comprise paraffin wax (as to approximately 50% of the total weight), ground poplar wood (as to approximately 25% of the total weight), wheatflour (as to approximately 15% of the total weight), ignitable solids dispersed in gelled paraffin wax (as to approximately 1% of the total weight) and water, swelling agents and preservative (as to the remaining weight);

were manufactured from those constituents by a process involving extrusion;

have a quadrant shaped cross section with a radius of approximately 80mm, a length of approximately 265mm, and an ignition strip across one edge;

have an approximate weight of 1.15kg per firelog; and

have a sulphur content not exceeding 0.1% of the total weight.