1. Nyuso za pamoja zisizoweza kulipuka hushindwa kutokana na matatizo ya kurekebisha bolt, ikijumuisha hali ambapo boliti hazipo au zimeimarishwa vya kutosha.
2. Kutofuata vigezo vya uso visivyolipuka, kama vile mapengo yasiyofaa au ukali wa uso usiofaa katika nyuso za viungo.
3. Inadequacy in explosion-proof enclosure entry devices arises when rubber components and cable sizes do not meet specified standards.
4. Shell integrity compromised due to cracks leads to a failure in maintaining explosion-proof qualities.