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TelMex tower with convention building in Cancun, Quintana Roo State, Mexico, North America Stock Photo - Alamy
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Mexican telecom firm Telmex and union reach contract agreement to raise salary 4.5% for some workers: govt | Reuters
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Mexico, Quintana Roo, Cancun. Public telephone in front of Telmex, Mexico's largest telephone company Stock Photo - Alamy
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