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Striking South African metalworkers submit revised wage demand - union

JOHANNESBURG, July 20 (Reuters) - Labour unions representing more than 200,000 striking South African metalworkers have submitted a lower wage demand to employers, a union representative said on Sunday, to try to end the walkout battering Africa's most developed economy.

The proposal is for a three-year agreement with annual increases of between 8 to 10 percent, Marius Croucamp, a spokesman for the Solidarity union, one of the smaller unions in the strike, said in a statement. Unions had previously sought 12-15 percent.

(Reporting by David Dolan; Editing by Alison Williams)