SYSTEMS FOR THE PREVENTION AND MITIGATION OF DAMAGE CAUSED BY FALLING ROCK, TIMBER, SNOW, ICE, SCREE, SOIL AND OTHER DEBRIS COMPRISING NETS MADE MOSTLY OF METAL, NET SUSPENSION CABLES, NET RETENTION CABLES, NET ENERGY DISSIPATION CABLE BRAKES, SUPPORT POSTS, SUPPORT POST RETAINING CABLES, RETAINING STAYS, BRAKE PLATES, BRAKE CABLES, CABLE LOOPS, CABLE EYES, CABLE GUIDES, CABLE TENSIONERS, SHACKLE AND WIRE CABLE CLAMPS AND/OR WIRE MESHES