Ural city N; smoking chimneys of factories. The buildings of the metallurgical plant; coke-chemical plant. Domain appearance; blast furnace metallurgist works. A worker carries a piece of red-hot metal; a rolling mill is in operation. Spilling metal into molds. Workers at work in the workshop of a metallurgical plant. Shell assembly shop. Shells of shells on the conveyor. A female controller checks the diameter of the shell. Female workers put caps on shells; acid is poured into the shells; weighing shells. Shop for packing shells. Tank assembly shop. Testing tanks on a snowy field. The gun shoots at the target. Damaged armor is a target. A train with guns is going by.