香港青年技能大賽與嘉年華2017─中學生技能展:中學生彈射器製作比賽頒獎
2017-09-08
WorldSkills Hong Kong Competition and Carnival 2017 Showcase on Secondary Students' Skills
Construct-a-Catapult Competition for Juniors Secondary Students
WorldSkills Hong Kong Competition and Carnival 2017 Showcase on Secondary Students' Skills
Construct-a-Catapult Competition for Juniors Secondary Students