Light steel keel wall Why do not cross brace welding with welding
The bracelet can be fixed with a support card, card holder and connector, and can be fixed with a riveted sleeve if necessary, but not welded by welding.
Horizontal keel is a secondary support role, the panel position is not time to adjust the location, in addition to the function of contraction expansion margin, so not allowed to link the link for the rigid.
Then the book is too much trouble to weld, to master the master to welding, Moreover, the time is too long, so no one with the welding.
