Abstract: An aspect of the present invention may provide a hot-rolled steel sheet that is excellent in terms of yield strength, vibration damping ratio, weldability, and weld site-low temperature toughness and thus has physical properties suitable for use in a vacuum train tube maximizing energy efficiency of a vacuum train; and a manufacturing method therefor.

Abstract: The present disclosure relates to a battery pack and a device including the same, and a battery pack according to an example embodiment of the present disclosure includes at least one battery module; a pack case that includes a case cover for covering the at least one battery module and a case tray coupled with an edge of the case cover; and a gasket that is arranged between the case cover and the case tray, wherein the gasket comprises a gasket flat part that is an area where the gasket extends without curvature, and a gasket corner part that is an area where the gasket is deformed to correspond to the shape of the pack case and is bent while having a curvature.

Abstract: A method for controlling a game in a server which is connectable to a display apparatus and a mobile apparatus is provided. The game controlling method includes, when a game execution command is received from a mobile apparatus, providing the mobile apparatus with a manipulation content which corresponds to the game execution command, generating a game image which corresponds to the game execution command as a real-time stream, and transmitting the generated real-time stream to the display apparatus.