علبة التروس للكمبيوتر الشخصي

الجنرالات：

The PC Gearbox construction is modular and therefore it can be as a separate unit mounted on any type of fitted geared محرك (بام) fitting the pre-stage helical module on the main reduction unit is easily done as for any محرك of type B14. The prestage unit cannot be used by itself, but only coupled with another reduction unit.