Deck of playing cards and turbojet engine: what they have in common

  1. Step 1. Deck of playing cards — is part of — Playing cards. Cardboard sheets with suits and values.
  2. Step 2. Playing cards — is made of — Paper. Cards were printed on paper.
  3. Step 3. Paper — is material for — Rocket. The first rockets were paper tubes filled with gunpowder.
  4. Step 4. Rocket — uses — Reaction force. A rocket moves by reaction force.
  5. Step 5. Reaction force — is used in — Turbojet engine. Thrust is the reaction of the jet.

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