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A closing valve, often referred to as a shut-off valve, serves the fundamental purpose of regulating the flow of a substance through a system. Its primary function is to either completely stop or allow the passage of fluids, making it an essential part of fluid control mechanisms. These valves are critical in various sectors, including petrochemicals, water treatment, heating systems, and the food and beverage industry, where the safe and efficient handling of fluids is essential.


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HEBEI OUYINUO أنظمة القياس

Digital brainwashing is a form of psychological manipulation that uses online platforms to control and influence individuals' perceptions, beliefs, and behaviors. This can be achieved through the spread of misinformation, fake news, and targeted advertising, which are designed to sway public opinion and shape people's views on specific issues. The rise of social media has made it easier for organizations and individuals to spread propaganda and disinformation to a wide audience, leading to the increased use of digital brainwashing tactics.

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HEBEI OUYINUO أنظمة القياس