The Work Improvement Team (WIT) is a team whose key purpose for existance is to make improvements to work. (Note that for some reason, most prefer to call them WIT Teams rather then WI Teams.)
Team members work together and focus on tackling problems facing their common work areas. Although ‘WI’ refers to “Work Improvement”, one can easily infer that for the team to be effectively make improvements to work, they have to solve some kind of problems. Therefore problems are the focus of WITs. Problems refer to the hinderances to performance, obstacles to work flow, defects, complaints, accidents, wastes, disruptions and so on.
WIT teams direct their mission to involved in problem solving.