Brass samovar urn and industrial robot: what they have in common

1. Step 1. Brass samovar urn — is part of — Samovar. A container for water.
2. Step 2. Samovar — uses — Combustion. Charcoal in the chimney.
3. Step 3. Combustion — is used in — Turbojet engine. Fuel burns in the combustion chamber.
4. Step 4. Turbojet engine — is made of — Titanium. Compressor blades.
5. Step 5. Titanium — is material for — Mars rover. The wheels and parts are aluminium and titanium.
6. Step 6. Mars rover — has part — Industrial robot. A robotic arm.

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