If ropes pass over rough edges, provide padding to prevent abrasion. Avoid getting grease and pitch on the ropes. Do not allow people to walk on the ropes. Regularly wash dirt and grit off the rope. Store in rope bags, in a dry area, out of sunlight.
Ropes are the life line to success for the patient and the rescuer.
All of the 8 mm. The larger rope manufacturers make excellent products. Unless you must have designer colors, buy the rope that has more white strands and it will usually be cheaper. Further testing included Arnor Larson, John Dill, Reed Thorne, Hal Murray, and the Clems. Many of the test scenarios they conducted using Prusik hitches were been done on 11 mm.