Adopt the specially made aluminum metal alloy type a material to make to lead a track, use to increase soon a chain to drag along to lead long work to pack plank conduct and actions to transport to lie quality.The flowing water line adopts sectional assemble mode, the work number can press craft request enactment.The work installs feet to step a switch, AC outlet, work to impede a machine, craft drawing board, illuminate...etc., establishing one on the line body peaceful move machine, crest to rise to revolve set etc., make the whole process attain automation work appearance.