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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CHEMICALS USED IN PULP & PAPER MANUFACTURING AND COATING. While there are about 3000 or so different types of chemicals which can be used in papermaking, in practice only about 200 individual chemicals are typically used, each satisfying a specific need. It gives paper a greasy or soapy feel. and enables it to take a high finish.