FIELD: protection of environment. SUBSTANCE: cleaning of sunken object 1 with contaminated liquid is effected from submarine vessel 2 which has tight compartment 3. Cleaning is effected by means of hose 4 fitted with valve 5. Hose 4 is lowered in unsealing hole 6 in object 1 where it is secured by means of device 7 and valve 5 is opened. Under action of pressure depending on depth of submergence 8 of ship 2 at level of valve 5 contaminated liquid flows from object 1 to compartment 3 through hose 4. EFFECT: enhanced efficiency. 1 dwg
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