Connect all panels of the fire box together( 1, 2, 3) with screws (4x A).
Align 21(side table) with the fire box 1 (right panel), lock the two holes in the middle with
(A)screw and (B)nut.
Connect 26 (air vent) to 1(firebox left and right panel) with (A)screw and (B)nut.