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State whether the following is true or false.
Naturally occurring raw materials vary in composition from one deposit to the next.

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

Answer: A

Correct answer: True

A natural deposit is the product of a particular geological history, so its composition, particle size and impurity content vary between deposits, between parts of one deposit and over time as a quarry advances. That variability is why raw materials are analysed on receipt, why blending beds and stockpiles exist, and why a body recipe is adjusted continuously rather than fixed.

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