FIELD: pneumatic transportation equipment. SUBSTANCE: method involves sucking wet material from surface to be cleaned; transporting and recycling sucked material. Before removal of wet material from surface, it is preliminarily treated. Suction is performed by additional dusting. Treatment and additional dusting are performed by means of hydrophobic fine-dispersed material supplied at flow rate of 0.05-0.1% of weight of material to be removed. EFFECT: simplified construction and wider operational capabilities. 1 dwg
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