First  Each stope must have two safety exits, and connect the upper and lower roadways. The sidewalks should be located outside the veins. The support of the safety exits must be fastened and the ladders must be provided. If there are two exits due to special circumstances, it must be Approved by the company security committee.
Second  The mining site has a reasonable mining sequence, and the mining site is basically smooth and unobstructed.
Article 3 Â The mining mine funnel should meet the requirements of the support regulations. The depth of the mine should not exceed 3.5 meters, and there is a qualified sieve.
Article 4 Â The stope operation must have sufficient lighting, and must be operated strictly in accordance with the safety operation rules of each type of work.
Art Text Sculpture,Table Centerpiece Crafts,Finger Statue Hand Gesture,Modern Sculpture Decor
REVINNO Home Decor, Customization, and Wholesale , https://www.revinnodesign.com