Pallet blocks and newcomen engine: what they have in common

1. Step 1. Pallet blocks — is part of — Pallet. Support blocks between which the forklift’s forks pass.
2. Step 2. Pallet — is used in — Forklift. It works with pallets.
3. Step 3. Forklift — has part — Hydraulic cylinder. Lifting the forks.
4. Step 4. Hydraulic cylinder — has part — Piston. The piston is moved by liquid.
5. Step 5. Piston — is part of — Newcomen engine. Atmospheric pressure moves the piston.

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