How can falls of slate and roof be effectively controlled?

Effective control of falls of slate and roof is best achieved through careful testing, inspection, and systematic support. This method focuses on assessing the stability of the rock and soil surrounding the mining area, which is essential for preventing accidents related to falls of material.

Regular testing and inspection procedures help identify potential weaknesses in the roof structure that could lead to falls. By incorporating systematic support, such as installing rock bolts, mesh, or other reinforcement methods, mine operators can enhance the stability of the roof and reduce the likelihood of hazardous rock falls. This proactive approach emphasizes safety and the importance of adhering to mining standards and practices that protect workers.

While increasing miner awareness, using heavy machinery, and limiting access can contribute to safety, they do not directly address the underlying causes of slate or roof falls as effectively as systematic support does. Thus, option B stands out as the most comprehensive and effective method for controlling such hazards in mining operations.