"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion." .
new research shows a growing number of young people are thinking about taking their own lives, and the study suggests school stress may play a role. .
the news highlighted another factor in the chinese threat: regardless of the different regulatory framework, many researchers think the data they report is valid. . .
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