Most of those explosives can only kill someone if they detonate mine someone planted and is near it.
And it even missess things that can actually do friendly fire:
-you can kill friendlies by running them over with vehicles
-there are few rally places that make their bots fall to death
-flying your plane into friendly plane
that was a very shitty guess, do you even play this game?
Everything related to fire can kill your teammates
Roadkills
Barbed wire . You didn’t mention that but some trolls block entire AI squads and block their path that they just get downed and die after. Rare but possible if your teammate who does that missed his appointment with his shrink.