Now special attention is paid to the production of more modern elements for compounds, such locks, anchor elements, such as linings and others. Thus, they achieve a stronger fastening of the elements on even joints. The quality of the finished walls of the floors and their surfaces, columns, etc. depends on the fasteners., And the installation rate directly depends on their simplicity. The durability of the formwork also depends on the same, which is especially important if the construction materials are not sold, but the rent, including formwork, therefore, it should last a long time.