HW#8

   課堂練習 

Deadline:  Saturday at 23:59 (one more week)

Send all the share links to  me chang212@gmail.com by email with subject HW#8 [your id, your name]

What you can do to prevent accidents:

模擬一個意外事件，然後模擬一個預防措施

範例

• Photos: photo gallery.