Workshop Technology
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as

Die casting method
Centrifugal casting method
Permanent mould casting method
Slush casting method

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Workshop Technology
Swab is used for

Moistening the sand around the edge before removing pattern
Reinforcement of sand in the top part of the moulding box
Cleaning the moulding sand
Smoothing and cleaning out depressions in the mould

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