The summary is:
The text is a transcript of a video where the speaker tests different lifehacks for various purposes, such as making a spinning top, erasing a highlighter, swapping water and oil, and making a phone stand. The speaker comments on the results and evaluates whether the lifehacks work or not. The speaker also encourages the viewers to subscribe to their channel and watch more videos.
Here are some key facts extracted from the text:
1. The text is a transcript of a video where the speaker tests various lifehacks for the TikTok app.
2. The first lifehack is about balancing a bottle of Pepsi at an angle of 45 degrees with a little amount of liquid left in it.
3. The second lifehack is about erasing the highlighter marks on a book with lemon juice.
4. The third lifehack is about making a spinning top from a spinner and a pen.
5. The fourth lifehack is about making a sound amplifier from paper cups and cardboard tubes.
6. The fifth lifehack is about cutting tomatoes into slices with a fork and a knife.
7. The sixth lifehack is about swapping water and oil in two containers with a card.
8. The seventh lifehack is about making a phone stand from a paper clip.