Of the base

In the side walls of the boxes, it is necessary to perform ventilation holes. The side and rear walls of the boxes, fix the guide strips with screws, make them out of the bar.

At the bottom of the boxes, attach the legs of multi -layer plywood, in the front and behind the legs and the base of the box itself, perform strengthening in the form of a decorative bar, this element should not according to the rules, bulge behind the edges of the base.