Answer:
The best thing to use is a transceiver
Explanation: A transceiver is a popular device used to find avalanche victims. It can receive communications and send off them.
It shows you team work, temptations, hard work,etc.
-Do a complete background check
-Give them trails to complete
-make them fill out a form, and make them tell truth
These are the only things I could think of, hope this helps you ♥︎
