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Face masks: benefits and risks during the COVID-19 crisis The German government has made it mandatory to wear medical masks covering mouth and nose (MNC) as an effective strategy to fight SARS-CoV-2 infections. In many countries, this directive has…
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Making process control valve choices Control valves are used to manage the flow rate of a liquid or a gas and in-turn control the temperature, pressure or liquid level within a process. As such, they are defined by the way in which they operate to…
