A professional who stores and issues explosive materials, such as blasting powder, ammonium nitrate, dynamite, fireworks, and munitions, in magazine of explosives or munitions factory, mine, arsenal, or construction project. Respnsibilities include:

• Records nature and quantity of materials received, shipped, or issued to workers.
• Enforces observance of safety regulations by persons entering magazine.
• May direct workers engaged in moving and loading explosives into trucks or boxcars.
• May thaw frozen explosives.
• May fill bags, using loading machine.
• May mix fuel oil with powder to increase combustibility.
• May assemble fuses and detonators.
• May insert detonators into sticks of explosives and attach fuse or electric wire to prepare primer charges.
• May pack and unpack explosives, fireworks, and munitions.