{"category_id":"CAT-000000142","path":"conveyors-transport-systems/monorail-and-overhead/power-and-free-systems","name":"Power and Free Systems","description":"Power and Free Systems within Monorail and Overhead.","level":3,"publication_count":1,"publication_count_deep":1,"url":"https://opentechnical.org/topics/conveyors-transport-systems/monorail-and-overhead/power-and-free-systems/","children":[]}