What is the fine-grained topic of the following text: Because usually in the region of the kitchen sink would have been a lot of splashes of water or of applied cooking oil and will be quite bad if it splashes on the surfaces of the house, therefore it is granted being a kitchen backsplash alternative as well as decorating decorations while in the home. Only return the topic.
The fine-grained topic of the text is "kitchen backsplash as a solution to protect surfaces from water and oil splashes."