A) Raw material \[\to \] Shaping metal \[\to \] Blast furnace \[\to \] Pig iron \[\to \] Steel making
B) Raw material \[\to \] Blast furnace \[\to \] Pig iron \[\to \] Shaping metal \[\to \] Steel making
C) Raw material \[\to \] Pig iron \[\to \] Shaping metal \[\to \] Blast furnace \[\to \] Steel making
D) Raw material \[\to \] Pig iron \[\to \] Blast furnace \[\to \] Shaping metal \[\to \] Steel making
E) None of these
Correct Answer: B
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