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Paragraph 4

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Firegold briquettes manufactured by Petrofina (UK) Ltd. at Immingham, South Humberside which—

(1)

comprise anthracite (as to approximately 96 per cent of total weight) and ammonium lignosulphonate (as to the remaining weight),

(2)

have been subjected to a cold curing process,

(3)

are ovoids impressed with the outline of the shield forming part of the registered trademark of the company and with an average weight of 40 grammes, and

(4)

have a sulphur content not exceeding 2.0 per cent of total weight.