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Victoria Shade Rozan appeared on the street to participate in the protest

Victoria Shade Rozan appeared on the street to participate in the protest, revealing that close friends had been shot by police
The deaths caused by African American Freud’s violent law enforcement by the police triggered various demonstrations across the United States. On Sunday, local time, Russell Westbrook of the Houston Rockets and DeRozan of the San Antonio Spurs appeared in a protest march in Compton, California. The theme of the parade was “Black Life is life”.
Westbrook and DeRozan are both Southern Californians. They joined a large number of parades. In the process of the parade, they expressed their hope to reform to solve the racism problem and the police violent law enforcement.
In an interview before, DeRozan told reporters: “I once had a close friend shot and the police fired 17 shots. This is something I never mentioned, but we need to know what is happening in our society What, and how much help each of us can provide to improve the status quo.”

x-ray-collimator

As we all know, in x-ray photography, the size of the X ray collimator field and the accurate positioning of the X ray collimator center directly affect the quality of the x-ray photo.
Especially in the projection of some special positions, such as mastoid, optic nerve hole, etc., if the center of the X ray collimator and the center of the X-ray tube are slightly offset, the photo may not meet the diagnostic requirements.
It can be seen that the adjustment of the center of the X ray collimator optical device is a problem that cannot be ignored.

Author:Jamy