1 plot. Mining agriculture 85. Armenia. Yerevan. The first international exhibition of mining agriculture. Representatives of the CMEA countries and other capitalist countries present the latest examples of mining machines: tractors, cultivators, stone harvesters and other equipment. 2 plot. In a fluidized bed. The machines work in the shops of an engineering plant for the production of parts. All-Union Scientific Research Institute of Carrying and Grinding. Work is underway to process parts using a bubbling stream of storage. Type of automated lines. 3 plot. Microbes for health. A woman is breastfeeding a child. Doctor, Doctor of Medical Sciences K.S. Ladoda talks about the consequences of transferring a child from breastfeeding to artificial (sinhr.). Laboratory assistants work with microscopes in the laboratory. The process of producing bifidobacteria in mass quantities. In the workshop of the Experimental Dairy Plant, starter cultures containing lactic acid flora are prepared. Ready bioconcentrates move along the conveyor. Packages with acidophilic mixture "Baby" on the shelves of a grocery store. Children play in a group of one of the kindergartens. 4 plot. Krasnorechenskoe settlement. Kyrgyzstan. A group of archaeologists are excavating in the Semirechye region. Samples of medieval coins, moldings and other materials from the excavations of the Turkic Middle Ages. Items from Sagdian ceramics (7-8 centuries AD) and other art items. Fragments of ancient Indian letters, gilded figurines dated to the 8th century AD, objects of Christian worship - crosses made of nifrite and bronze. NDP on the excavations of the Krasnorechensky settlement.