A garment having resistance type heaters mounted thereon which are battery powered to supply heat to the wearer thereof. The test button simultaneously presses against both the on portion and the off portion of the switch which controls the operation of the device. The hot gas is blown into the interior of the drum and is diverted by a hot gas conduit segment that is designed to gently heat the asphalt. The invention further relates to a method for operating such a device. Also provided are anion exchange membranes formed from at least one anion exchange polyelectrolyte according to an embodiment of the invention, and fuel cells including such AEMs. The first environment is the release event of the projectiles from their packed state in a dispenser.