Abstract: The subject of the patent is a group of inventions relating to an apparatus for movement in air and water. The apparatus for movement in fluid comprises an aerodynamic cross-section wing with a convex upper surface, and a source of high pressure fluid interconnected with a means for forming pressure jets over the convex upper surface of the wing. Six embodiments of the apparatus are characterized by the design of the means for forming pressure jets. The method for developing thrust consists of using the means for forming pressure jets over the convex upper surface of the wing. Five embodiments of the method are characterized by the design of the means for forming pressure jets. The group of inventions is aimed to increase efficiency.

Abstract: The present invention relates to devices for carrying small arms. The inventive method provides for use of a holster having a slot for a pistol grip. When a pistol is straightwardly pushed in the holster, the safety-stop thereof is switched in armed position. The pistol is removable by the opposite displacement thereof. The body of the inventive holster comprises guides for a breechblock, a spring loaded lock thereof, and a unit for switching said breechbloc which is arranged on the sidewall of said body on the side of the safety-stop of the pistol and embodied in the form of a spring loaded fork. The lock is embodied in the form of a cantilever plate provided with an arrester which is mounted in such a way that it interacts with the breechblock and the indicator of the safety-stop when it is switched on. In the second variant, the switching means is embodied in the form of a shaped window which has a simple trapezium shape and is arranged on the sidewall of the body.