Regulation 20
(1)
No person shall begin to charge any shot hole unless it is thoroughly cleaned out.
(2)
No person shall use compressed air to clean out any shot hole unless he ensures that the giving off of any dust is minimised.
No person shall begin to charge any shot hole unless it is thoroughly cleaned out.
No person shall use compressed air to clean out any shot hole unless he ensures that the giving off of any dust is minimised.