DUI (Driving under the influence) is a crime of driving an automobile with above than legal levels of blood levels of alcohol. As a matter of fact, one does not need to be actually driving an automobile to be charged with DUI because a law enforcing officer can do so upon finding probable cause.
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OWI (Operating while intoxicated) is a term quite similar to DUI. Anyone driving a vehicle or operating a machine which can cause damage to life or property while being intoxicated by a drug or even high levels of alcohol can be charged with OWI.
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