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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B Series Paper Size Tolerances. ISO 216 specifies tolerances for the production of B series paper sizes in the same way as for A series paper sizes, the specific details of which are as follows: Â±1.5 mm (0.06 in) for dimensions up to 150 mm (5.9 in) Â±2 mm (0.08 in) for lengths in the range 150 to 600 mm (5.9 to 23.6 in)