Abstract: A lottery assembly and a packaging device are provided. The lottery assembly includes a lottery portion and a code portion, the lottery portion includes a lottery area, and the code portion is provided with a code area on a side surface thereof. The code portion is separated from the lottery portion, and first information included in the code area is in correspondence with second information included in the lottery area. The packaging device includes a housing and the above lottery assembly, and the housing defines an accommodation space for accommodating a commodity. The lottery portion is located in the accommodation space, and at least part of the code portion is provided outside the housing to expose the code area.

Abstract: A lottery assembly and a packaging device are provided. The lottery assembly includes a lottery portion and a code portion, the code portion is provided with a first code area at a side surface thereof, and the lottery portion includes a lottery area and a second code area. The code portion is separated from the lottery portion. First information of the first code area is in correspondence with second information of the lottery portion, and the first information of the first code area is in correspondence with third information of the second code area. The packaging device includes a housing and the above lottery assembly, and the housing defines an accommodation space for accommodating a commodity. The lottery portion is arranged in the accommodation space, and at least part of the code portion is provided at an outer side of the housing to expose the first code area.

Abstract: Disclosed herein is a cyclone for separating fine particles from a gas. The cyclone includes a cyclone body having an upper end with an inlet and a lower end with a particulate outlet, gas outlet tube with an upper end that extends upwardly into the lower end of the cyclone body, and a vortex breaker. The upper end of the gas outlet tube is connected to the lower end of the cyclone body by a slip joint. The configuration of the cyclone provides for efficient removal of fine particles as compared to conventional techniques. A vessel containing cyclones, and methods of separation using the cyclones and vessel, also are disclosed.

Abstract: A game for providing a mixed reality experience to a user, the game comprising: a game board having at least one marker, game objects to be manipulated by the user, each object having at least two surfaces, each surface having a marker and game logic to manage game play according to predetermined game rules. In addition, the position and orientation of the game board and game objects is tracked by identifying markers on the game board and game objects, and game play occurs in response to manipulation of at least one object. Furthermore, multimedia content associated with at least one identified marker is retrieved and superimposed in a relative position to the at least one identified marker, to provide a mixed reality experience to the user.