[1章]
0.準備　1.清掃　2.位置決め
3.シートの貼合

[2章]
4.鋼壁面への溶接

[3章]
5.天井面への溶接

[4章]
4点溶接　所要時間 60秒

[5章]
溶接後の様子と注意事項

[Chapter 1]
0. Preparation　1. Cleaning
2. Positioning　3. Paste the sheet

[Chapter 2]
4. Welding to Steel Wall

[Chapter 3]
5. Welding to the ceiling surface

[Chapter 4]
4 point welding Time required
60 seconds

[Chapter 5]
After welding and Notes