IN: Prevent back pains by exercising with a Kettler back machine.
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OUT: prevent back pains by exercising with a kettler back machine.

IN: If your PC opens the W3D file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating W3D file extensions with the wrong software program.
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OUT: if your pc opens the w3d file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating w3d file extensions with the wrong software program.

IN: In certain geographic areas , especially away from the cities there are usually no choice of heating energy source . In addition, the same house, depending on the location will need different amounts of energy (up to several hundred percent) .
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OUT: in certain geographic areas , especially away from the cities there are usually no choice of heating energy source . in addition, the same house, depending on the location will need different amounts of energy (up to several hundred percent) .

IN: Remember that you must not send in things that are not yours.
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OUT:
remember that you must not send in things that are not yours.