Violence lower rates

Medical and sociological gun control advocates have also pointed out that such countries as Britain and Japan, with strict firearm controls, have far lower homicide rates than the United States. Gun rights activists question whether such cross-cultural comparisons are valid, noting that European and Japanese societies are more conformist and that it is social control, not gun control, that is responsible for their low rate of violence. 

Explosion limits indicate in which concentration range a mixture of combustible substance can be ignited. There are two limits, the lower explosion limit (LEL), below which the concentration is too low to produce an explosion and the upper explosion limit (UEL), above which the oxygen is in default and no explosion occurs. Further, the explosion is characterized by the maximum explosion pressure and its violence by the maximum pressure increase rate. In order... 

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