Answer:
(1) Air compressors are mainly used to damage the road surface and prepare for laying cables later;
(2) Electric hoist or cable traction machine, mainly used for towing cables;
(3) Cable conveyor, used with the tractor to overcome the huge friction and reduce the damage to the cable;
(4) Cable tray pay-off bracket;
(5) Roller device;
(6) Anti-smashing, reducing the distortion of the wire rope;
(7) Cable disc brake device;
