"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." .
the report "correctly points out that there really was no playbook for dealing with what was an unprecedented health crisis," san diego mayor kevin faulconer said. http://lm360.us/Helgerman-daughter-of-Kocian-from-Darra?Hakkilagr=158