Electronically commutable motor whose output stages are controllable by an electronic control unit, using PWM control signals, and are feedable from a supply voltage source. This feature of the sheath may be a ripcord, a seam or interlocking features the releasably engage one another. The graphoepitaxy DSA directing confinement well is filled with a block copolymer. Pressure of the storeroom is set higher than that of an outside space of the incubator. If, however, a valid key is not in use, the electronic module is in an armed state, and activates the vehicle alarm system which, in turn, may activate an audible or visual alarm, activate a remote notification device, generate a tracking signal, andor store evidence of unauthorized vehicle motion in memory. The yarn is first removed with positive yarn feed from the yarn supply.