Disclosed herein is a variable length packet switching system. The semiconductor substrate is placed in a plasma atmosphere and trench structures, such as deep trenches and shallow trench isolation structures are etched in the substrate. Preferably, the frame is fitted with wheels or slides to enable sliding the module in and out of the envelope. The system uses a lexicon of terms linked to a formal ontology that is independent of a specific language to extract concepts from the free text based on the words and multi-word terms in the free text. The bottom wall has a plurality of openings formed in a portion thereof and a leading edge that extends between ends of the opposing side walls. Importantly, these alloys are nanocomposite in nature and comprise the SmCoC2 phase.