Untill someone makes a wood detector I don't think they are worried about it.
The point is that a metal detector is specifically made to find stuff easier, and significantly cuts down on manpower needed to find stuff, increasing the risk of scavanging.
Untill someone makes a wood detector I don't think they are worried about it.
The point is that a metal detector is specifically made to find stuff easier, and significantly cuts down on manpower needed to find stuff, increasing the risk of scavanging.
Do they have a license to stop dogs from being trained on the scent of certain materials?
Nope, not to my knowledge.
I have never heard about that being a problem or even a thing.