7. A swab is
A. A tool used in foundry for moistening the sand
B. A tool used in foundry for smoothening the mould
C. A tool used on shaper
D. A tool used in foundry for repairing the mould
7. A swab is
A. A tool used in foundry for moistening the sand
B. A tool used in foundry for smoothening the mould
C. A tool used on shaper
D. A tool used in foundry for repairing the mould