26. Safelight Firelogs, manufactured by Advanced Natural Fuels Limited at Pocklington, East Yorkshire, which—
(a)comprise woodchip (as to approximately 40 per cent. to 55 per cent. of the total weight) and Palm Wax binder (as to approximately 45 per cent. to 60 per cent. of the total weight);
(b)were manufactured from those constituents by a process involving pressing of the mixed ingredients at about 40°C to 50°C;
(c)are rectangular hard finish Firelogs with two deep overlapping slots in the top surface, a single continuous slot in the base surface, and have an average weight of 1£8 kilogrammes; and
(d)have a sulphur content not exceeding 2 per cent. of the total weight.