Most of combustible dusts present both fire and explosion hazard. Explosion may occur at certain concentrations of dust mixed with air and in the presence of an ignition source. The threat posed by this real danger was confirmed by the events that took place in economic units such as: feed factories. wood products. https://www.diegojavierfares.com/flash-price-RoboCop-Poster-T-Shirt-mega-value/