A system, machine and method of forming a composite structure. Parent placement area is reviewed and a subset is categorized and distinguished as either horizontal slots or vertical slots. The rotor having a larger diameter at the outer bearing that at the inner tapered bearing; and a single first stage compound differential planetary including an input sun gear driven by the rotor and a plurality of free planets. 5, and A is selected from the group consisting of F, S and P. In the systems and methods according to the present invention, the siloxane solvent suspends impurities extracted from the articles being cleaned, and the system filters off the impurities, thereby cleaning the articles.