1. For our fields (Rostov Research Institute of Machine Building Technology: development of increased strength spare parts for agricultural machinery). 2. How to make cheese (the production and sale of cheese). 3. Sotoplast (Kuibyshev State Research Institute for expanded clay: the development of a new building material based on dense low-grade paper). 4. Unusual laces (weaving lace patterns from metal wire - wire lace, in the village of Krasnoe Kostroma region).