revit
https://www.youtube.com/watch?v=-xWGRvPvRzE&list=PLFPyuHpQJaVzksRPlWA5-y4GnCMDBjS_e
---------------
c
https://www.youtube.com/playlist?list=PLfVsf4Bjg79CZ5kHTiQHcm-l2q8j06ofd
--------------
plc
https://www.youtube.com/watch?v=9Yi6UePKaAw&list=PLf_pODWkM2641xiDrMF41mfFOsCJUzLfg
--------------
java
https://www.youtube.com/playlist?list=PLF8OvnCBlEY1lalnvdYmz4O_x7wII8NiI
--------------
scada
https://www.youtube.com/playlist?list=PLkIOysahfeokhKiBt-T-iXfbfHuCzCmzv
------------------
inventor
https://www.youtube.com/playlist?list=PLe8vjDmuN0LqR0SJyj3wW8tTSOryvzSUT
------------
protection
https://www.youtube.com/channel/UC020Ar7x2NBm3veT1k2OCWA/videos
---------------
ConversionConversion EmoticonEmoticon