This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Swedish verion, in .png. The original can be viewed here: System boundary.svg: . Modifications made by Natox.

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This work has been released into the public domain by its author, [[Wikipedia:User:[[Wikipedia:User:{{{1}}}|{{{1}}}]] at English Wikipedia|[[Wikipedia:User:{{{1}}}|{{{1}}}]] at English Wikipedia]] at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: [[:Wikipedia:en:User:[[:Wikipedia:en:User:{{{1}}}|{{{1}}}]]|[[:Wikipedia:en:User:{{{1}}}|{{{1}}}]]]] grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse

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• File:System_boundary.svg licensed with PD-user-en, PD-user-w
  • 2008-01-09T20:40:28Z Stannered 931x818 (4372 Bytes) {{Information |Description=The boundary between a system and its surroundings |Source=[[:en:Image:System-boundary.jpg]] |Date=2008-01-09 |Author=[[:en:User:Wavesmikey]], traced by [[User:Stannered]] |Permission={{PD-user-en|W

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