1 plot. Heavy rafts on the Kama. The timber is rafted down the Kama River on the Ozerny-215 raft. Captain Zhulanov's crew leads the raft. The cook prepares food in the kitchen of the raft. Towing the raft. 2 plot. Omsk port innovators. Workers are dumping land in one river port. Loaders are unloading bags of cargo from the wagons. Members of the initiative group of specialists of the Omsk river port for the creation and implementation of new methods of transshipment. A cleaning device in action, hung on a crane portal when cleaning a gondola car. Large diameter pipe crane gripper in action. There is a technology for reloading packages of shrink film. Specialists implement a balancing forks when loading cement in bags. The ship is moving along the river. 3 plot. Modular barges. Krasnoyarsk shipyard. The process of assembling a barge using a progressive modular method. Workers in the shop at work (automatic and semi-automatic assembly of barges designed to work on small rivers). Module blocks are fed onto the slipway. Barges transport cargo along the river. 4 plot. Swallow starts. The hydrofoil vessel “Lastochka”, built at the plant named after the 26th Congress of the Communist Party of the Soviet Union in the city of Feodosia, is intended for use on main rivers for servicing long-distance lines and moves along one of the rivers. .Specialists on the ship at work. The authors of the Swallows project are employees of the Gorky Central Bureau of Hydrofoils at work. Interior view of the cabins, engine room of the vessel "Swallows".