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Q. The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack Of these statements
  • A. (i), (ii) and (iv) are correct
  • B. (ii), (iii) and (iv) are correct
  • C. (i), (iii) and (iv) are correct
  • D. (i), (ii) and (iii) are correct