Workshop Technology
For arc welding

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

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Workshop Technology
In a hot chamber die casting machine

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

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