Division .4 F1
United Kingdom
one of the fixed fire-extinguishing systems specified in paragraph .1 above, and in addition in any space containing internal combustion engines, or oil fuel settling tanks or oil-fuel units, one foam fire-extinguisher of at least 45 litres capacity, or equivalents sufficient in number to enable foam or its equivalent to be directed on to any part of the fuel and lubricating oil pressure systems, gearing and other fire hazards, and