Tham khảo Pa_lăng

  1. ↑ "Tackle" can be /ˈteɪkəl/ in this usage.
  2. ↑ (dead link) “Royal Canadian Sea Cadets - Master Lesson Plan - Level T\\\2” (PDF). Bản gốc (PDF) lưu trữ ngày 9 tháng 3 năm 2013. Truy cập ngày 27 tháng 12 năm 2009. 
  3. ↑ Manual of military engineering
  4. ↑ Ned Pelger, ConstructionKnowledge.net
  5. ↑ A. P. Usher, A History of Mechanical Inventions, Harvard University Press, 1929 (Dover Publications, revised edition, 2011, ISBN 978-0486255934)
  6. ↑ MacDonald, Joseph A. Handbook of Rigging: For Construction and Industrial Operations. McGraw-Hill Professional. tr. 376. ISBN 978-0-07-149301-7. Tackle may be rigged to advantage - where the pull on the rope is in the same direction as that in which the load is to be moved; or it may be rigged to disadvantage - where the pull on the rope is in the opposite direction of that in which the load is to be moved 
  7. ↑ wiktionary:reeve

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