Fibreglass and boyle’s air pump: what they have in common

1. Step 1. Fibreglass — is material for — Wind turbine. Blades made of fibreglass.
2. Step 2. Wind turbine — has part — Planetary gear. A gearbox raises the speed.
3. Step 3. Planetary gear — uses — Torque. It transmits rotation through planet gears.
4. Step 4. Torque — is used in — Rack and pinion. The rotation of the pinion becomes the travel of the rack.
5. Step 5. Rack and pinion — is part of — Boyle’s air pump. A rack and pinion moves the piston.

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