Bleach and industrial robot: what they have in common

1. Step 1. Bleach — is material for — Paper. Bleach makes paper white: without it wood pulp would be yellowish grey.
2. Step 2. Paper — is material for — Bouchon’s loom. The program is a perforated paper tape.
3. Step 3. Bouchon’s loom — uses — Program control of a machine. A perforated tape set which threads to raise.
4. Step 4. Program control of a machine — is used in — Industrial robot. The movements are recorded in a program.

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