The structure, function and dynamic behavior of the cytoskeleton can be very different, depending on organism and cell type. Even within one cell the cytoskeleton can change through association with other proteins and the previous history of the network. A multitude of functions can be performed by the cytoskeleton.
The new Courage XT-6 (3.5 net HP) and Courage XT-7 (4.5 net HP) engines will be available on OEM push-mower brands in early 2008. The first two models from Kohler are engineered in the United States with high performance and ease of use in mind.
Both Kohler and Briggs make a residential series engine and a commercial series engine. The Kohler Command series is the iron lined commercial use engine. Heavy bearings the whole nine yards. Briggs is a difrferent can of worms as they make the 300 SERIES TO A 600 SERIES RESIDENTIAL USE TYPE ENGINES. THEN THEY HAVE THE dov (DUAL OVERHEAR VALVE) RESIDENTIAL SERIES.