Topics of instruction include outboard and inboard engines , steering systems , electrical systems , fiberglass hulls , sail fabrication , and much more .
课程包括外侧和内侧发动机，转向系统，电力系统，玻璃钢船体和帆制造等。
Boeing 's hawker de havilland unit in australia builds both the movable trailing edge and the inboard flaps of the wings .
