crwdns2933805:0crwdne2933805:0
crwdns2933797:0Jingru Zhucrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jingru Zhu
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| - | [* red] Use magnet to attract the screw head. |
|---|---|
| + | [* red] Use the magnet to attract the screw head. |
| [* icon_note] Make sure the screw is vertical to the magnet and the screw head is above. | |
| + | [* black] Reason we need magent |