books.google.co.uk - This work covers such topics as: EU directives and harmonization work; health, safety and environment; recent technical development - products and processes; shot hole development; and management of blasting operations....http://books.google.co.uk/books/about/Explosives_and_blasting_technique.html?id=YcUBwgOhoskC&utm_source=gb-gplus-shareExplosives and blasting technique
