Explosion prevention and protection in underground mines. Protective systems - Automatic extinguishing systems for road headers Ingestion-build-177197 This symbol is not intended

This symbol is not intended to replace the basic ionizing radiation symbol [ISO 361

BS 4065 specifies the accuracy of determination appropriate to the various grades

video and multimedia equipment

and in particular aims to evaluate the likelihood of faults arising in service due to the method of application of materials or to the interaction of various materials or components

c) allow blended fuels vehicles to be fuelled by dispenser stations for compressed natural gas

Explosion prevention and protection in underground mines. Protective systems - Automatic extinguishing systems for road headers Ingestion-build-177197 This symbol is not intended