Plasma torch and incandescent light bulb: what they have in common

1. Step 1. Plasma torch — is part of — Plasma cutting. A burner with an electrode and a nozzle.
2. Step 2. Plasma cutting — is made of — Tungsten. The electrode is tungsten or hafnium.
3. Step 3. Tungsten — is material for — Incandescent light bulb. A tungsten filament (since 1904–1910).

Open Evothings