A carbamate-functional compound having a structure . The layers are at 90\xb0\xb15\xb0 with respect to each other. A second current path is formed to recover the current flowing to the second inductor towards the first signal line, while the voltage of the panel capacitor is sustained at the second voltage. Each brake shoe includes a first end, an opposite second end, a web portion, a rim portion secured to an outer surface of the web portion, a friction pad secured to an outer surface of the rim portion, and only two shoe slides provided on at least one side of the rim portion. The first metal bushing is capable of being located in the through hole proximate the outer surface to surround a first portion of the trunnion when the trunnion is located in the through hole. Consequently, the stationary structure will contract and the blade tip clearances will decrease, thereby increasing the efficiency of the turbine.