A blaster, also known as an explosives worker, uses explosives and detonators to demolish structures or remove earth in a quarry, mine, or similar site. As a blaster, your responsibilities include assessing the needs of the demolition project to determine how much needs to be removed or destroyed. You then drill holes in rock or structural supports, pack the holes with the required explosives, and oversee the detonation. Blasters also need to monitor the safety of everyone on site during the blasting procedure by ensuring that the area is vacant and employees within the demolition area have received a proper warning.