GHS01, Exploding bomb, GHS02, Flame, GHS03, Flame over circle, GHS04, Gas cylinder, GHS05, Corrosion, GHS06, Skull and crossbones, GHS07, Exclamation mark, GHS08, Health Hazard, GHS09, Environment, How many unconditional factors in production do we have?, 4, Physical factor, includes mechanisms, electric circuits, Biological factor, includes microbes, bacterias, viruses, Chemical factor, includes toxic substances, Pschyophysiological factor, includes emotional, pschological, physical apathy.

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