username_1@discuss.tchncs.detoTechnology@lemmy.world•Gaming PC deflects bullet shot through wall by neighbour, saving owner's life — criminal negligence charges for culprit who claims 'firearm was accidentally discharged by her dog'English
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37 minutes agoIn normal countries inter-flat walls are thick enough to easily stop a bullet.
https://e-construction.gov.ua/laws_detail/3083626778627933844?doc_type=2
It doesn’t have a strict “X mm” norms but reglaments a noice propagation. Of course it would take some calculation to translate it into millimeters of brick or concrete, but obviously ultra-thin bullet-penetrable walls won’t fit into this standard.