Workshop Technology
In a centrifugal casting method

Core is made of nonferrous metal
Core is made of ferrous metal
Core is made of sand
No core is used

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Workshop Technology
Swab is used for

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

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