 They may offer programs ranging in duration from a couple of weeks to two-year diploma courses.Programs can be technology courses like automotive technology, computer technology, and electronic technology; service courses such as caregiver, nursing aide, hotel and restaurant management; and trades courses such as electrician, plumber, welder, automotive mechanic, diesel mechanic, heavy vehicle operator & practical nursing.Upon graduating from most of these courses, students may take an examination from TESDA to obtain the relevant certificate or diploma.