Toilet flushing research involves studying various aspects of the flushing mechanism in toilets to improve efficiency, reduce water usage, prevent clogs, and ensure proper waste removal. Researchers may investigate the design of toilet bowls, tanks, and flushing mechanisms, as well as the impact of different flushing technologies on water conservation and sanitation. Studies in this area often focus on developing new technologies, materials, and methods to enhance the overall performance of toilet flushing systems. Additionally, research in this field may also explore the environmental impact of toilet flushing and ways to make it more sustainable.