Reflex hammer and shipping container: what they have in common

1. Step 1. Reflex hammer — is made of — Vulcanized rubber. A rubber head.
2. Step 2. Vulcanized rubber — is material for — Pneumatic tyre. A tyre is made of vulcanized rubber.
3. Step 3. Pneumatic tyre — is part of — Landing gear. Aircraft tyres.
4. Step 4. Landing gear — is part of — Cargo aircraft. Landing gear for dirt airstrips.
5. Step 5. Cargo aircraft — uses — Shipping container. Air cargo containers.

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