lag III 2. v. 2) покрывать изоляцией (with) If you lag the water pipes with pieces of old woollen garments before the winter starts, you can prevent the water from freezing and bursting the pipes....
repel v. 4) phys. отталкивать; water and oil repel each other - вода не смешивается с маслом; The oil in a duck's feathers repels the water from its body....