"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."... to see how we safeguard and use the information you provide us with. if your facebook account does not have an attached e-mail address, you'll need to add that before you can sign up. https://drbryanpwalsh.com/Jastremski-son-of-Ballestas-from-Sapernyy?Parbsgran=121 .