Dartboard wire spider and CNC machine: what they have in common

1. Step 1. Dartboard wire spider — is part of — Darts. A metal mesh of sectors.
2. Step 2. Darts — is made of — Plant fibre. Modern ones are made of compressed sisal.
3. Step 3. Plant fibre — is used in — Loom. Cloth is woven from threads spun from fibres.
4. Step 4. Loom — is part of — Bouchon’s loom. The loom as the base.
5. Step 5. Bouchon’s loom — uses — Program control of a machine. A perforated tape set which threads to raise.
6. Step 6. Program control of a machine — is used in — CNC machine. The tool’s movement is set by a program — at first on punched tape.

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