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Grouping and Logical OR: notebook (ibm or sony) Negation: laserjet printer not monochrome Negation: printer -laser -monochrome \tGrouping and Logical OR: printer (epson or canon) (inkjet or laser) not multifunction Group Operator: printer -(dot matrix)
Provides automatic fan control to help maintain acceptable levels of NO2 in parking garages, warehouses and other commercial facilities - Can be used as a stand-alone detector and controller and as an analog transducer for use with the DVP-120 and other systems.