Though there are many ways to categorize highlines, for the KHS a distinction is drawn between horizontal highlines, sloping highlines and steep highlines. In addition, the KHS has been tested in several variations and its concept of belaying with the taglines was demonstrated as early as This cannot be said for most of the other highline techniques in use today. Since then, several practical variations have also been developed, such as the English Reeve, the Norwegian Reeve and the drooping highline variations. This work led to the development of the key concepts and principles of the Kootenay Highline System. The Kootenay Highline System (KHS): In 1985, in the province of British Columbia, serious thought and consideration was given to the rigging and operating principles of highlines. With this approach, rescuers can rig effective, efficient and safe highlines that can be more practical than other techniques available in certain applications. To increase the safety of using highlines, practitioners must first obtain the proper in-depth training in basic physics and rigging principles, and also have access to the appropriate equipment. This has led to highlines being set up with excessively low safety factors through the use of illconsidered rigging concepts. However, many people do not appreciate the high levels of force that can be easily placed on the track rope if some key principles are not taken into account. Highlines can be much more practical for rescue work than is commonly assumed. 1 The term 'highline' often inappropriately referred to as a 'Tyrolean' refers to a system that uses a track rope (mainline) to suspend a load over a span.
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