sentence: A person is showing how to install rubber tiles in a gym. sentence:  The video shows several people working out in a gym on the flooring. sentence:  The person shows how to prep the floor surface before installing the tiles. sentence:  He demonstrates how to lay the tiles on the floor in a criss-cross manner. sentence:  The video shows a simulation how the tiles can measured up and laid down one by one in order to get a perfect wall to to wall fit. sentence:  A person also shows how to trim tiles to fit flush edge to edge without leaving a gap between tiles. sentence:  Finally he shows how to use a vinegar solution to clean the tiles in order to maintain the quality of the tiles. sentence:  The video ends with the information of the tile company.