Can you go into how it works with relation to working as a part time fire-fighter. 
How often were you called out ? 
Are there laws obliging companies to give you the time off ?
What happens if you get injured - who pays the unemployment benefit (WW uitkering) ? Can you get fired from your main job ?
How much do you make as a volunteer fire-fighter ?
Can you explain the role of the Junior Fire-fighting teams ?