1. "For the Comprehensive Use of Raw Materials" (Estonian SSR: Tallinn Pulp and Paper Mill, Yeast Feeding Plant, wood processing, making livestock feed from pulp and paper waste). 2. "Stones Tell" (discoveries of archaeologists: tools of primitive people). 3. "Sublimation method" (Moldavian Research Institute of Food Industry: development of the technology of drying berries and fruit by sublimation).