Welding power source and lathe: 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 — is made of — Tungsten. The electrode is tungsten or hafnium.
3. Step 3. Tungsten — is material for — High-speed steel. Tungsten.
4. Step 4. High-speed steel — is used in — Lathe. Cutting tools.

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