Imagen tomada de SCADA de wikipedia version en ingles
Public domainPublic domainfalsefalse
This work has been released into the public domain by its author, HaPi at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: HaPi grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse