Dorel Asia DA1008TFBB-1 Mode D'emploi page 19

TWIN/FULL BUNK BED
DA1008TFBB-1, DA1008TFBB-2
G
C
STEP 11
Insert four metal dowels (5) into the holes in the full headboard top rails (G).
Stack the top bunk onto the bottom bunk with the help of another person.