Related to the world of Rope Access.

Free Solo North Face Climb

Hybrid Alpine Butterfly Knot Tying Method
https://youtu.be/QeKLU_6NLv4

How Wire Ropes are Made

Figure of 8 Load Test to Failure

Petzl Rescue Competition 2012

Petzl RocTrip Argentina

Pretzel Laboratory Test Tower

Basic Rope Access Knots

Ascender pull test to rope sheathe failure

Ramset Masonry Anchors

Horizontal Tension Line Forces