Install the aluminum column(right & rear) into the place, then insert the aluminum H-shaped beam(rear) into the column.
Install the aluminum column(right & front) into the place, then insert the aluminum H-shaped beam(left/right) into the
column.
19
19
19
19
20
20
1
1
1
1
1
1
1
2
2
5
5
9
9
9
9
9
4
4
3
11
