... includes pedestrian access doors, lighting system, fixed walkways or mobile platforms for the sand-blasting of the higher parts, ... shot-blasting unit, ventilation and dust extraction system, and self-cleaning dry cartridges dust collector. The shot-blasting unit is ... construction industries, marine etc. Air Blast Room Include: 1, Dust Collector 2, Cyclone Separator 3, Sand(shot) Stordge Hopper 4, ...