ໃບຢັ້ງຢືນຄວາມປອດໄພຖ່ານຫີນ ແລະໃບຢັ້ງຢືນການລະເບີດຄືກັນ

ການອອກແລະຂອບເຂດຂອງໃບຢັ້ງຢືນຄວາມປອດໄພຂອງການລະເບີດແລະຖ່ານຫີນແຕກຕ່າງກັນຢ່າງຫຼວງຫຼາຍ.

ສໍາລັບການອອກ, ໃບ​ຢັ້ງ​ຢືນ​ການ​ລະ​ເບີດ​ແມ່ນ​ໄດ້​ຮັບ​ໂດຍ​ກົງ​ໂດຍ​ສູນ​ກວດ​ກາ​ຄຸນ​ນະ​ພາບ​ຜະ​ລິດ​ຕະ​ພັນ​ໄຟ​ຟ້າ​ແຫ່ງ​ຊາດ​ຫຼື​ອົງ​ການ​ທີ່​ກ່ຽວ​ຂ້ອງ​ອື່ນໆ. ໃນ​ທາງ​ກົງ​ກັນ​ຂ້າມ, the coal safety certificate is exclusively issued after inspection by the National Safety Mark Center, marking a substantial distinction.

Regarding the scope, the explosion-proof certificate is designed for environments with ລະເບີດ hazardous gases and is predominantly used in Class II locations. ກົງກັນຂ້າມ, the coal safety certificate is strictly for use in Class I environments, where gaseous explosive hazards like methane are prevalent.