The term 'UNION FOR PLUMBERS' is a collective bargaining organization that provides support and protection for plumbers. The acronym for this organization is ELL, which stands for 'Employment Labor League'. This union works to ensure that plumbers are paid fair wages, have safe working conditions, and receive benefits such as health insurance and retirement plans. It also provides legal assistance and representation in disputes with employers. The union also works to protect the rights of plumbers and to ensure that they are treated fairly in the workplace.