The invention relates to a monolithic multilayer actuator comprising a sintered stack of thin films, made from piezo-ceramic with inlaid metallic inner electrodes which extend from the stack on alternate sides and are electrically wired in parallel with external electrodes and are provided with connector wires. The probe is inserted into a uterine fibroid so as to enter the fibroid along the major-axis direction of an ellipsoidal fibroid. The sections are defined by a hinge portion extending generally straight in the fore-aft direction of the vehicle and a plurality of lateral thin portions extending from the hinge portion generally in a lateral direction of the vehicle. The second lamination assembly includes a stack of laminations each including at least one shaped tab extending from a side edge thereof, wherein each tab is configured and dimensioned for press-fit or slide-fit engagement in a respective shaped recess formed in the side edges of the passage formed in the first lamination assembly. For a smooth transition between the two operating modes, in addition to the co-ordinated interaction of exhaust gas retention, build up of exhaust gas, restriction of the fresh charge, and of the ignition advance angle in spark ignition, together with the quantity and the timing of the fuel injection, use is also made of exhaust gas recirculation.