Dldss-128.mp4

: Use VLC Media Player to bypass proprietary format issues.

: Demonstrations of logic controllers (like Siemens or Mitsubishi systems). DLDSS-128.mp4

often stands for Digital Logic Design Simulation System . : Use VLC Media Player to bypass proprietary format issues

: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the original author or creation date. I can provide more specific details if you can tell me: DLDSS-128.mp4