| 摘要 |
FIELD: equipment for cleaning room floors, highways, roads from dust and fractured garbage. SUBSTANCE: apparatus has suction and delivery branches connected to chamber, which is open from the side adjacent to surface to be cleaned. Chamber walls are made flexible to provide for tight adherence to surface to be cleaned and for isolating chamber cavity and mentioned surface from ambient air. EFFECT: increased efficiency, reduced labor intensity and time for removing dust and garbage from surface. |
