Kedu ọkwa mgbawa-ihe akaebe dị elu, B ma ọ bụ C

The explosion-proof classification of IIC is considered superior, encompassing the requirements for both IIB and IIA, with IIB rated above IIA.

Ụdị ọnọdụ	Nhazi gas	Gas ndị nnọchi anya	Opekempe mgbanye Spark Energy
N'okpuru Mine	I	Methane	0.280mJ
Ụlọ ọrụ ndị dị n'èzí Mine	IIA	Propane	0.180mJ
	IIB	Ethylene	0.060mJ
	IIC	Hydrogen	0.019mJ

Nkọwa nka nka