Knowledge of Explosives : Classification of Explosives, Transport / Storage and Handling of Explosives, Types of Explosives, Properties of Explosives; Knowledge of Blasting : Theory of Blasting, Drilling Operations, Blasting Design, Calculation of Explosive Charge, Controlled Blasting, Effects of Blasting, Case Study of Blasting in Difficult Conditions; Safety for Blasting Operation : Safety Working Procedure, Protective and Precautionary Measures Taken, Extraneous Electricity Hazards, Examination of Blast Area after Firing, Handling of Misfires, Documentation – Completion of Shotfirer Charging Details, Charges that cannot be discharged on the Explosives Delivery Day, Inclement Weather – Typhoon, Thunderstorm or red/black rainstorm.