P. D. M. (Protective Devices for Miners)

P. D. M. (Protective Devices for Miners) refers to safety equipment designed to safeguard miners from hazards such as fires, explosions, and toxic gases underground. These devices include gas detectors, communication systems, emergency breathing apparatus, and protective clothing. Their purpose is to alert workers of dangerous conditions, enable quick communication and evacuation, and provide physical protection against accidents. Effective P. D. M. systems are essential for maintaining safety, reducing injury risks, and ensuring miners can respond promptly to emergencies in challenging underground environments.