article_snippet: Scroll down for video .
article_snippet: This technology is located near the students' union at the University of the West of England in Bristol and Oxfam's Frenchay campus and researchers will be hoping for brisk business at closing time.
article_snippet: The toilet is located near the students' union at Bristol university's Frenchay campus and researchers will be hoping for brisk business at closing time.
highlights_snippet: Bristol inventors say Bristol system could cost as little as £600 ($900) to set up .