Before revision: Worker centers are non-profit community-based mediating organizations that organize and provide support to communities of low wage workers who are not already members of a collective bargaining organization (such as a trade union) or have been legally excluded from coverage by U.S. labor laws.
After revision: Worker centers are non-profit community-based mediating organizations that organize and provide support to communities of low-wagein the United States, workers who are not already members of a collective bargaining organization (such as a trade union) or have been legally excluded from coverage by U.S. labor laws.