Sewing pattern and headphones: what they have in common

1. Step 1. Sewing pattern — uses — Tailor’s tape. Measurements.
2. Step 2. Tailor’s tape — is made of — Linen. A tailor’s tape is a linen strip.
3. Step 3. Linen — is material for — Caravel. The sails were linen.
4. Step 4. Caravel — has part — Compass. A magnetic compass.
5. Step 5. Compass — has part — Permanent magnet. The needle is a magnet.
6. Step 6. Permanent magnet — is part of — Headphones. A magnet moves the diaphragm.

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