Solid and liquid industrial single phase vacuum cleaners not for use with or in combination with a liquid dispensing system; soot removers; solid and liquid industrial three-phase vacuum cleaners; dust separators; special suckers for industrial machines; suction applications on complex machines; pneumatic transporters; single-phase blowers; fixed suction installations; three-phase powder removers, mobile nad fixed; scrap vacuuming devices; dust extractors; centralised suction installations for industrial building; all for industrial use