A 360\xb0 rotatable inlet screw assembly for a pneumatic tool includes a fixing base, an inlet screw and a C-shaped retainer. 5% of the essential oil of the respective sleep inducing compound. A content server distributes cellularized content among several client viewers. Further, the lifetime of the detector can be extended. Ions of interest, such as carbon ions of mass 14, are accelerated through 300 kV to ground potential and passed through a gas stripper where the ions undergo charge exchange and molecular destruction. Torque outputs from the first and second electrical machines are then selectively controlled to stop rotation of the engine substantially near a predetermined crank position.