Air brake and needle: what they have in common

1. Step 1. Air brake — is part of — Diesel locomotive. Air brakes.
2. Step 2. Diesel locomotive — evolved from — Steam locomotive. It replaced the steam locomotive.
3. Step 3. Steam locomotive — has part — Crank. Connecting rods and cranks carry the piston stroke to the wheels.
4. Step 4. Crank — is part of — Sewing machine. A crank turns rotation into the stroke of the needle.
5. Step 5. Sewing machine — has part — Needle. A needle with the eye near its point.

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