鉗工技術分享:
1. 螺絲套牙技巧
2. 卸除斷根的螺栓
Unscrew the Broken Bolt without drilling and welding, simple trick.
https://youtu.be/pPDIgGlF-rg?si=9Du2gWh2bFq1A84N
生鏽螺絲拆下的16種方法
Here are 16 tips for loosening Rusty Bolts.
https://youtu.be/CSxwMwgjG4w?si=F5LfQEq8xC0k7Meg