When using explosives, the specific precautions to be taken to prevent accidental discharges:
A. In holes that have been primed and shunted, detonators should be short-circuited until they are connected into the blasting circuit.
B. In the event of a lightning storm, blasting operations should be suspended and all personnel should be removed from the blasting area.
C. Warning signs should be prominently displayed to warn against the use of radio transmitters within 1000 feet of the blasting site.
D. All of the above
D
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