Semyon D. Savransky Standards Class 3. The above standard 2.2.1 can be considered as an increase in degree of system multiplicity.
Development goes in direction of strengthening the links between elements.
On the other hand, elements in such systems sometimes are joined with solid links. In such cases, development goes in direction of the degree of link dynamization increase. 493350 Two-floor saw, in which the lower tooth are set wider than the upper ones, cuts well the fibrous materials. For example, double-barreled gun has single butt. The following algorithm is useful for choosing the right standard.