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Nkọwapụta maka ọrụ nchekwa nke acetylene gas cylinders
N'ihi na acetylene na-ejikọta ya na ikuku ngwa ngwa ma nwee ike ịmepụta ngwakọta ihe mgbawa, ọ ga-eme ka mgbawa ọkụ na mgbawa mgbe ekpughere ọkụ ọkụ na ike ọkụ dị elu.A na-ekpebi na ọrụ nke karama acetylene ga-abụrịrị nke ọma dịka iwu nchekwa.Kedu ihe bụ nkọwa...GỤKWUO
