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Flight ban. Restrictions, denial of permission to enter airspace. Cancellation. Sanctions. No fly zone. Stop the license of flying company. Closing of the airport for technical and bad weather reasons
Scientist wear Chemical protection suit check danger chemical, working at dangerous zone in Red and White Lines of barrier tape. Red and white Hazardous restricted area factory safety worker industry
Staff only restricted area sign on the wall in grayscale tone. Sign and symbol for industrial working place object photo, selective focus.
A roll of USD and Chinese Yuan with each country's national flag with a chessboard in the background. A global financial trade dominance competition and conflict concept.
Road sign isolated on white. Private property road with traffic forbidden. Do not drive in information. Entry restrictions background. Car traffic banned. List of rules symbolic sign.

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