Welding power source and greenhouse: what they have in common

1. Step 1. Welding power source — is part of — Plasma cutting. An inverter power source for the arc.
2. Step 2. Plasma cutting — uses — Plasma. Plasma.
3. Step 3. Plasma — is used in — Ion thruster. An ionized gas.
4. Step 4. Ion thruster — has part — Solar panel. Power supply.
5. Step 5. Solar panel — has part — Window glass. Tempered cover glass.
6. Step 6. Window glass — is part of — Greenhouse. It lets light in and holds heat.

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