The other point of view which i'm making is that a guard was always fitted to the contractors trimmer and that stone flicked up and did damage to another person or created a accident scenario .
What does that contractor go through to someone who has the guard removed.?
I see it as this..The various departments come into play doing there job looking at someone being negligent but then how much did a guard prevent the stone flying when on some models the guard only protects a small percentage of a 360 deg throwing circle and would have the guard come into play stopping that stone at all.
The trimmer was only being used horizontally not tilted to edge
So what will the outcome be ?
With guard fitted what ever they decide as a out come
Without guard fitted what ever they decide as a out come and ad a penalty for it not being fitted $600
I have a contact in OH&S i will try and get a hold of him this week in answering this guard question
Here is a trimmer i own,have a look at the guard and tell me how it's meant to stop any stones flying at passersby
https://www.youtube.com/watch?v=Lq3u6cs_g3U