7. STRUCTURAL MATERIALS
7.1 Production o f construction iro n ............................................. ... I l l
7.1.1 Production o f construction iro n .......................................... ... 114
7.1.2 Structure of the blast furnace and w orkflow .........................116
7.2.Production o f s te e l.................................................................. ... 118
8. FOUNDRY. SPECIAL METHODS FOR PRODUCING
CASTING
8.1 F oundry..................................................................................... .. 129
8.2 Special methods for casting.................................................... ...130
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