Hazard symbol for WHMIS Class B hazardous material: flammable and combustible material
http://www.hc-sc.gc.ca/ewh-semt/pubs/occup-travail/ref_man/ref_manual_index-eng.php#cpr_sch_2-rpc_annexe_2-eng.php, Symbol from [1].
Inkscape version by Silsor, simplified version by Dragon401k.