You'd lend more weight to your credibility by giving reasons why...

You'd lend more weight to your credibility by giving reasons why you think they do not have experienced people on tap. Surely they could get someone if they offered enough money? And they only need one experienced person? PLenty of uemployed miners in Oz,.

You're dealing with explosives so how can those guys be totally inexperienced? Once they become familiar with the rock body surely they'll work it out?