patent searches for packages, which is moulded of stearin or brown sugar, there is a tru00e6brik in so they can float on the water. they can, among other things, be used for wrapping cementmiks, so that holders of dry, they can be placed directly in the sewers so rats can eat them.

摘要

waterproof wrapping consisting of wax, of porous paper bags f with powder which would otherwise freeze in the water. the bags must be used to fight rats, which will die of eat the powder. the bags placed in the sewers.