Safety is such a critical part of mining these days, that if you can show the employer that you have already put the mining knowledge into yourself, it becomes a game changer. This is the experience for entry level mining jobs that the employers want!
When you get an interview, you will be able to show the Foreman or Mine Manager that you will be able to work safely.
Achieving this by explaining to them (using their terminology), how you are going to perform duties like scaling and watering down in a safe manner.
This is what floats their boat, a new starter with mining knowledge.