… for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 l, …
Explanatory notes
… for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 l, … use, e.g., in factories, chemical works, dye works, gasworks, breweries, distilleries and refineries, and to a … which have simply been fitted with taps, valves, level gauges, safety valves, manometers, etc., remain in this …