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According to the national laws and legislation, the pyrotechnician is the person who has expertise and is authorized to handle and/or use in Romania fireworks of category F2, F3, F4, pyrotechnic articles of category T2 and/or other pyrotechnic articles of category P2. Taking into account the inherent character of the risk specific to the pyrotechnic articles as well as the complexity of carrying out operations with these types of products, it requires acquiring thorough technical and practical updated knowledge to...

The minerals exploitation by explosives in quarries presume a high energy development for the applied blasting techniques with a proper design parameters establishment according in the field conditions where the blasting will carried out. For an optional rock blasting in field to obtain a certain granulation together with the maintaining the risk levels of blasting (seismic waves, fly-rocks, shock waves pressure) in a non - hazardous field, must to be applied sequential detachment of rocks from the massive with th...