DISCUSSION. HAZARD FROM BLASTING FUMES IN NORMAL ROCK TUNNELLING WITH PARTICULAR REFERENCE TO NITROGEN DIOXIDE.

Keywords: HAZARDS, BLASTING, FUMES, ROCKS, TUNNELLING, NITROGEN, GAS, NITROGEN DIOXIDE, TUNNELS, EXPLOSIVES, SAFETY, WORKERS, LABOUR, DEATHS, VENTILATION, AIR, TOXIC, POISONOUS, INHALATION, ACCIDENTS, DIOXIDES, TELOM, HABU, MALAYA, ASIA