| http://www.w3.org/ns/prov#value | - Whenever the operating-mode detector 37 determines that the HF-surgery device 10 is in an operating mode such that no contaminants, in particular smoke, are produced, for instance in the operating mode ???APC???, it sends a suppression signal to a suppression means 38, which in the present case is constructed as an AND gate with one inverting input.
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