De esta manera, cada explosión se fragmento de la roca, y abrir una cara que se puede ser golpeado por las explosiones posteriores.
Energy efficiency, use of recyclables and low-toxicity materials are all a step in the right direction, but an important addition is the elimination of planned obsolescence. Planned obsolescence is the deliberate creating of products that will not last and that are not repairable.OpenSubtitles2018.v3 OpenSubtitles2018.v3