Molecular formula :
nature : signs of nuclear, chemical or biological warfare agents pollution position with the equipment. The North Atlantic Treaty of nuclear, chemical and biological pollution standards for signs from the signage, inserted under signs belt, chalk (or pencil) Component. Signs of hemline length of 28cm isosceles triangle made of thin metal plate. Toxic pollution signs of a yellow background, a red "GAS" (toxic) words; Biological warfare agents pollution signs undertone of blue, red card on the "BIO" (biological warfare agents) words; Radioactive contamination was white signs with black lettering "ATOM" (atom). when used to be specified in the license types of pollution, the testing date and time intervals along the edge of the contaminated area generally gives a distance, the brand of right-angled downward, toward the back of the contaminated area. so, You will not harm to the people being hurt.
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