Workshop Technology
The adhesiveness is the property of sand due to which

None of these
It evolves a great amount of steam and other gases
The sand grains stick together
It clings to the sides of a moulding box

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Workshop Technology
Lancing is the operation of

Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion
Bending a sheet of metal along a curved axis
Cutting a sheet of metal in a straight line along the length

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