A possible concise summary is:
The video is a tutorial on how to install 30x30 tiles on a concrete floor. The narrator explains the steps and tips for preparing the floor, cutting the tiles, gluing them, making the joints, and cleaning the tiles. He also shows the tools and materials he uses, such as a grinder, a cutter, a sponge, and a joint filler. He demonstrates the techniques and movements for laying the tiles and making them look neat and aligned. He also jokes about his colleague and his cleaning skills. The video ends with some music and a view of Marseille.
Here are the key facts extracted from the text:
1. The text is a transcript of a video about how to start a construction site and how to lay tiles on a concrete floor.
2. The video shows the steps of drilling the floor, preparing the primary, laying the tiles, making the joints and cleaning the tiles.
3. The video uses tools and materials such as a floor sander, a vacuum cleaner, a coffee maker, a stepladder table, diamond discs, glue, tiles, a ruby \u200b\u200bgrinder, a sponge and white vinegar.
4. The video gives tips and advice on how to align the rules, how to make the cuts, how to respect the direction of the tiles, how to avoid digging the joints and how to remove the cement veil.
5. The video is made by a professional tiler who works with his colleague Johan and who speaks in French with some humor and slang.