sentence: The video shows a tutorial on how to install ceramic tiles using concrete. sentence:  A person wearing an orange vest and black pants is working on tiling a room in a house. sentence:  He is kneeling down next to a pile of white square ceramic tiles and a bucket filled with grout and cement. sentence:  He is smearing the floor with cement with a trowel. sentence:  Then he places the square tiles next to each other in a straight line, making sure they are fitted tightly together. sentence:  He removes more tiles from the box to places them on the wet cement, making sure they are properly aligned with each other. sentence:  He continues placing the tiles to fill in all the gaps until the entire room is fully covered with the white tiles.