Fall-prevention apparatus and systems in the nature of fall protection equipment for fall restraint and fall arrest, namely, bars, anchors, harnesses, lines, lanyards, carabiners and anchorage connectors; apparatus and accessories for ensuring the safety of building workers, namely, a lifeline system for horizontal or vertical movement to which a worker is attached for protection against fall hazards, composed of line tension indicator, turnbuckle, bars, anchors, harnesses, lanyards, cables, ...