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State whether the following is true or false.
The supply of blast furnace slag for cement depends on the level of steel production.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: B

It is a by-product, so its availability is governed by an industry with quite different drivers. Plants that depend heavily on it are exposed to decisions taken elsewhere, which is a consideration when planning long-term substitution.

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