Procedure for the blasting of units of difficult divisible matter. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for blasting units of material that are difficult to separate, such as rocks, concrete constructions and stone layers, in which blast holes are introduced into the units of matter, which must be blown and filled with blasting media, characterized as a medium of blasting is used water that, by thermal exchange with a refrigerating medium, is taken to freezing. (Machine-translation by Google Translate, not legally binding)