Techniques of shallow trench isolation and devices produced therefrom are shown. In normal travel control, a control device sets a transmitted torque capacity of each of the clutches in the two paths at maximum. The fixed member 19 and the movable member 13 moved to a position that regulates the sheet are regulated by side regulating members 7 and 8. Moving the front wheel 14 away from the rear wheels 22 provides for greater stability at high speed. The first cavity may be shaped and sized to fit snuggly around a strike end of the stake. Further embodiments of the invention include organic solvent dispersed nano-talc slurries and methods for providing the same.