Tactical Rappelling includes five training levels : Basic level training Overcoming the fear of heights Instrumentation and equipment safety Introduction to ropes and knots Descent from a 45 degree slope : Intermediate level training Making an emergency tonic Principles of landing and ascent Types of workshop Descent from a 3-meter wall : Advanced level training Descent from a 5 to 10 meter wall Landing with equipment backpack : Professional level training Military landing Angel's landing : Specialty level training Vertical landing Relief landing