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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)
Enjoy the precision and accuracy of optical technology. This mouse eliminates the mechanical ball and need for a mousepad, while the integrated wheel lets you scroll through documents and Web pages at the touch of a finger.