"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." . print .
olivia mitchell: i think so. i mean, fresh and local is, you know, what they say is - tends to be healthier. . . (open access) shows that athletes of the mind � chess grandmasters � show the same longevity advantage as athletes of the body. .