A computer system comprising a main memory and a processor die coupled to the main memory by a first bus. The oil strainer has a flange section for attachment with bolts, and the flange section is provided with at least one bolt hole which passes through the interior of the roughly tube-shaped strainer main body. The pump is operable to generate an increased pressure within the lumen such that an agent introduced therein will be propelled out of the distal outlet port, thereby forming respective high-energy, narrow, fluid jets or streams capable of penetrating a selected tissue. The furnace roller includes at least two helical-shaped tires attached to the roller body in either side of a roller body bisecting centerline.