In this video :

pls help ^^
Are you asking for a transcript? If so I'm afraid you will be disappointed, I doubt that anyone is willing to transcribe a video of this length.

My recommendation is that you listen until you understand most of it then post specific questions about specific points in the video.
i dont unterstand passages before they say "shadow mask"
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dangthuaani dont unterstand passages before they say "shadow mask"
A sheet of metal with holes in it helps keep the electron beams aligned exactly with the phosphors, this is called a shadow mask.
thanks you very much ^^

but i will very happy if someone help me to show English subtitles in this video ^^
pls help again Emotion: sad(
i dont understand passages before they say "POWERFUL BEAM"
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