… silicon and phosphorus are oxidised and eliminated in the form of gas or molten slag. The oxidation increases the … thrown on to the sides of the mould and solidifies in the form of a pipe. (4) Continuous casting machines . In …
… of goods, and tractors of the type used on railway station platforms (heading 87.09). (4) Armoured fighting vehicles, motorised (heading 87.10). (5) …
