The life cycle of all tracheophytes (vascular plants), bryophytes (mosses and liverworts), and many algae and fungi is based on an alternation of generations, or different life phases: the gametophyte, which produces gametes, or sex cells, alternating with the sporophyte, which produces spores.
This site is best experienced using Internet Explorer 8 or Firefox. Twin City Die Castings (TCDC) is a full service provider of precision aluminum and magnesium die castings. TCDC has been family owned since 1919 when it was founded in Minneapolis, Minnesota. We now have three ISO/TS 16949:2009 certified US locations.
(December 2013) A transmission control unit or TCU is a device that controls modern electronic automatic transmissions. A TCU generally uses sensors from the vehicle as well as data provided by the engine control unit (ECU) to calculate how and when to change gears in the vehicle for optimum performance, fuel economy and shift quality.