This text is missing some spaces, please add them: 400Hzmeasurement:Byincreasingthepowerfrequencyto400Hz,transformersandmotorscanbemuchsmallerandlighterthanat50or60Hz,whichisanadvantageinaircrafts,submarines,spacecrafts,andothermilitaryequipmentandhand-heldtools.
400 Hz measurement: By increasing the power frequency to 400 Hz, transformers and motors can be much smaller and lighter than at 50 or 60 Hz, which is an advantage in aircrafts, submarines, space crafts, and other military equipment and hand-held tools.

This text is missing some spaces, please add them: Gamestylesandgenreschangerapidlysoitishardtobeprecisebutcurrentlytherearefourmaintypesofgamesplayedonline.
Game styles and genres change rapidly so it is hard to be precise but currently there are four main types of games played online.

This text is missing some spaces, please add them: ThisisthesecondupdateofDebianGNU/Linux3.0(codename'woody')whichmainlyaddssecurityupdatestothestablerelease,alongwithafewcorrectionsofseriousbugs.
This is the second update of Debian GNU/Linux 3.0 (codename 'woody') which mainly adds security updates to the stable release, along with a few corrections of serious bugs.