Aluminium panel frame and conveyor belt: what they have in common
- Step 1. Aluminium panel frame — is part of — Solar panel. An aluminium profile.
- Step 2. Solar panel — is part of — Ion thruster. Power supply.
- Step 3. Ion thruster — is made of — Tungsten. The cathodes are tungsten.
- Step 4. Tungsten — is material for — Cemented carbide. Tungsten carbide.
- Step 5. Cemented carbide — is material for — Tunnel boring machine. The cutters are cemented carbide.
- Step 6. Tunnel boring machine — has part — Conveyor belt. Spoil is removed by a conveyor.