The little helper for fiber optic expansion
Simply ingenious: This undoubtedly applies to the so-called double-socket joints. These little things make it easy to connect the plastic tubes into which we blow, or in modern parlance, jet, the fiber optic cables. This happens thousands of times a day in excavations. In this video, we reveal the secret of how the double-socket joints work. We clamp a joint in a vise and work on it with a grinder.