1syuzh. - Test of the berth during the landing of the airship. 2syuzh. - Testing of a new ten-seater speedboat produced by an experimental speedboat plant (Moscow). 3syuzh. - The use of a fire monitor designed by engineer Kudryavtsev (Kaluga). 4syuzh. - A new type of high-speed train invented in the USA: a train on the move.