http://www.ccohs.ca/oshanswers/preve...atic.html#_1_4 http://www.ccohs.ca/oshanswers/preve...atic.html#_1_4 Work safely with flammable liquids. http://www.ccohs.ca/oshanswers/preve...atic.html#_1_4 no grounding to prevent a spark from static electricity http://www.ccohs.ca/oshanswers/preve...atic.html#_1_4