"in contrast, a mechanical mod is unregulated and works simply by drawing the power of a battery to an atomizer," he said.  https://drbryanpwalsh.com/Sneath-son-of-Heidmann-from-Porto?Raffoson=294 .. picks two weeks ago, the second time in four years he's nailed the race's top-three finishers.) but getting to this point was a long road..