Workshop Technology
For arc welding

Alternating current with low frequency is used
Any one of these
Direct current is used
Alternating current with high frequency is used

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Workshop Technology
Linde welding uses

Oxidizing flame and leftward technique
Neutral flame and rightward technique
Carburising flame and rightward technique
Neutral flame and leftward technique

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Workshop Technology
In a hot chamber die casting machine

Ferrous alloys with high melting temperature are casted
Nonferrous alloys with low melting temperature are casted
Nonferrous alloys with high melting temperature are casted
Ferrous alloys with low melting temperature are casted

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