Sensing needles and turbojet engine: what they have in common

1. Step 1. Sensing needles — is part of — Bouchon’s loom. They pass through the holes and select the threads.
2. Step 2. Bouchon’s loom — uses — Program control of a machine. A perforated tape set which threads to raise.
3. Step 3. Program control of a machine — is used in — Industrial robot. The movements are recorded in a program.
4. Step 4. Industrial robot — is part of — Mars rover. A robotic arm.
5. Step 5. Mars rover — is made of — Titanium. The wheels and parts are aluminium and titanium.
6. Step 6. Titanium — is material for — Turbojet engine. Compressor blades.

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