A test system for proportioning fire fighting and fire suppression systems is provided. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which CGRP receptors are involved. These preferences may be derived from applications or by functions selected exclusively by the user. A capacitor has one end that communicates with the input of the zero-order TIA. This optical resonator is small in size and can be tuned by means of a single parameter. The creeper includes a wheel assembly designed to minimize vertical clearance of the creeper wherein the wheel assembly includes a wheel platform with multiple possible positions for joining of the wheel platform to the creeper.