Ink and kite: what they have in common

1. Step 1. Ink — is used in — Inkjet printer. Ink.
2. Step 2. Inkjet printer — has part — Printer carriage. It moves the head across the sheet.
3. Step 3. Printer carriage — is part of — Spinning jenny. It draws out the roving.
4. Step 4. Spinning jenny — uses — Cotton. It spins cotton and wool.
5. Step 5. Cotton — is material for — Glider. Covered with cotton fabric.
6. Step 6. Glider — evolved from — Kite. Lilienthal and Cayley studied the wing with kites and gliders.

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