Place the assembled beam (B1,B2, B3,B4,B5,B6)
on the upper end of the wall panel, and f ix with
59 screws 1# and gaskets as shown in ①②.
Fix the upper end of the part #C1/C2 with
part #B1 and part#C4 by using screws 3#, the
nuts and gaskets are on the back side as shown
in ③④.in ③④.
