Assemble the legs (2) and (3) as shown. Attach the back rest (1) to the legs (2)(3) and secure it with bolt (A) and wrench (C).
Use the wood cover (D) to cover the bolts. Use screw (B) to secure the wooden joint (5) as shown.
Use the bolt (B) to secure the seating panel (4) and legs (2)(3) as shown.