To turn. the device off, hold the On/Off button down until the screen dims and the red âslide to power offâ slider appears. Slide your finger across the switch, and the iPhone powers down. (To turn your device back on, press and hold.
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Containerboard is made on modified paper machines that can handle higher grammages. The production of containerboard is the highest of all kinds of paper in the world. [citation needed] More than 100 million tons are produced annually.