%0 Journal Article %T FLAMMABLE PARTICLES GENERATED DURING CUTTING OF INORGANIC BUILDING MATERIALS ABRASIVE CUTTING DISCS ANGLE GRINDERS %A Popov, A.V. %A Claptyuk, I.V. %A Kondrat, S.A. %K friction sparks, stone inorganic material, fire risk, angle grinder %J Problems of risk management in the technosphere %D 2014 %N 2014 %P 5 %I Saint-Petersburg University of State Fire Service of Emercom of Russia