The crates will take their contents with them and go poof if broken with a non axe too,l such as by hand or using the mining drill.
This happens consistently. Chests do not suffer the same issue.
Only tested in single-player.

Expected behavior
Expected the crate to drop while containing its contents, or if the crate is supposed to be destroyed it should drop its contents into the world.

Video of behavior:
https://youtu.be/i9jYiEHu-7Q

Versions & Modlist

Minecraft ver 1.16.5
Forge 36.2.0
ImmersiveEngineering-1.16.5-5.0.5-140
stone-age-1.16.5-1.3.2
ages-api-1.16.5-1.2.0

I will also post this in the Immersive Engineering mod issue as well.
Thanks for your time