industrial safety lock and interlocked wire loop ropes closeup, , large detailed

abandoned access aluminum attached cable cables carabine carabiner chain closeup concept connection construction control danger deadeye deadeyes entrance fence galvanized gas gate harness hawser hawsers hook industrial interlock interlocked isolated lanyard link linked lock locked loop loops macro metal moving object padlock prohibited protection protective restricted risk rope ropes safe safety secure security station steel strength supply system trespassing wear white wire wires