Workshop Technology
Cores are used to

Improve mould surface
Form a part of a green sand mould
Form internal cavities in the casting
All of these

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Workshop Technology
In a hot chamber die casting machine

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

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