Prepare 2 bolts assembly by inserting lock washer (#D), then flat washer (#E) onto
bolts (#C). Align chair seat (#2) to the holes of the chair back (#1), then secure two
middle holes with bolts (#C).
Prepare 4 bolts assembly by inserting lock washer (#D), then flat washer (#E) onto bolts (#A).
Secure corner holes of chair seat (#2) with bolts (#A).