What happens next?

The video shows a tutorial on how to install ceramic tiles using concrete. A person wearing an orange vest and black pants is working on tiling a room in a house. he

--begins to spread tile onto a carpet while standing below the tiles and has the tiles sanded and installed by a professional.;
--sprays the floor with spray the tiles.;
--uses a metal tool tool and stone the surface of hardwood pattern tiles to dust them.;
--is kneeling down next to a pile of white square ceramic tiles and a bucket filled with grout and cement.;
is kneeling down next to a pile of white square ceramic tiles and a bucket filled with grout and cement.