У вашего броузера проблема в совместимости с HTML5
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Vijeo Citect Tutorial 2: Create new symbol with Symbol Factory
https://youtu.be/MW4MU1IMIwA
Vijeo Citect Tutorial 3: Link variable tag with Modsim
https://youtu.be/0wyJQR47OxQ
Vijeo Citect Tutorial 4: Multi-pages, startup page, PageGoTo Command
https://youtu.be/GXWriwX9a90
LS Automation
https://www.youtube.com/watch?v=ZwZJB_BzrCQ&list=PLFZXAg2fI5PTY1Im7e-MqByhD8UgWlEf8
Mitsubishi Automation
https://www.youtube.com/watch?v=B1QPqrCC_jI&list=PLFZXAg2fI5PQNZgZ3MC4QW_lx60SSh5Wh