1.   It creates no hazardous fumes and leaves a dry powder that can be swept or vacuumed up.

2.   The intense heat and large plume of hazardous fumes kept firefighters at bay for much of Thursday afternoon.

3.   Children as young as three had been found working in match factories where they were exposed to dust and asbestos and other hazardous fumes.

4.   Residents near the refinery were advised to breathe through handkerchiefs as a precaution against hazardous fumes.