WELCOME YOU ALL SAFETY DURING BLASTING OPERATION GUIDELINES FOR BLASTING AND SAFE USE OF EXPLOSIVES Among all of the professions on earth, there is none that demands a stricter…
7/16/2019 Tunnel Blast Design 1/16Tunnel Blast DesignTunnelling Selected TopicsJoint Technical Seminar by AGS(HK), HKIE (Geotechnical Working Group onCavern & Tunnel…