Shaduf and hydraulic press: what they have in common

1. Step 1. Shaduf — uses — Counterweight. The counterweight makes lifting the bucket easier.
2. Step 2. Counterweight — is used in — Forklift. A counterweight.
3. Step 3. Forklift — has part — Hydraulic cylinder. Lifting the forks.
4. Step 4. Hydraulic cylinder — is part of — Hydraulic press. Two cylinders of different diameters.

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