A new process for depositing titanium metal layers via chemical vapor deposition is disclosed. Incoming wastewater to be treated is channeled to at least the first and a second marsh cell, and a portion of water exiting a final marsh cell, to the first marsh cell surface. The distribution manifold has a centrally-located dome in fluid communication with the cylinder oiling outlet housings. On board memory is also provided to store structure related data with the structure. The powder loaded in the space is compressed by the pair of pressure blocks to form a flattened porous body. The method further comprises optimizing the query using a query execution plan for processing the rewritten query, wherein the query execution plan expands a search space in the database for which the rewritten query may be run.