... , Beams, Metal Stud, Drywall, etc.2. COMPOSITION:(1) Manual / Hydraulic Decoiler(2) Leveling Machine (Optional)(3) Roller Feeder ... speed automatically. The hydraulic machine work separately.c. The control panel is composed by human-machine interface, button, switch, emergency ... clear, the layout of the components is reasonable, the control panel is tidy, the marks are clear.14) Pneumatic components ...