4. Before drilling at a point, it should be ensured that Options: A . &nbspPunch mark has been made at the point B . &nbspPosition of point has been marked by two intersecting lines C . &nbspCentre drill has been used at the point D . &nbspDiameters have been located

4. Before drilling at a point, it should be ensured that

Question

4. Before drilling at a point, it should be ensured that

Options:

A . Punch mark has been made at the point

B . Position of point has been marked by two intersecting lines

C . Centre drill has been used at the point

D . Diameters have been located

Answer: Option C

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