Sometimes the text is needed and useful to explain the context. It doesn’t get in the way of anything. When you add your videos to RU-vid you can leave out the text
What happens to a copper wire when it’s put into a fusion splicer, you ask?. Not real sure because that was a glass rod and not copper. Do I need to get the whiteboard out for you and help educate your self because you get so many things wrong on your videos. You really need to do your homework before you start posting. Just saying