The document discusses key elements of an effective health and safety (H&S) management system for quarries. It outlines that a systems approach involves inputs, processes, outputs, and feedback. The key elements include developing an H&S policy, organizing the structure and responsibilities, planning implementation through risk assessment and legal compliance, measuring performance against objectives, and reviewing performance through auditing. International standards like OHSAS 18001 provide guidance on implementing an H&S management system with a focus on risk assessment, legal compliance, and setting objectives and training.