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Which one of the following is always found in factories?

  • A.Chimney
  • B.Workers
  • C.Electricity
  • D.Sellers

Answer: B

Correct answer: Workers

The question asks what is always present, not what usually is. A factory is a place where things are made, and making them requires workers. A chimney belongs to some industries only, electricity to some processes, and sellers work elsewhere.

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