EconomySouth Africa Numsa issues notice of strike this week at ArcelorMittal by Radarr Africa May 10, 2022 by Radarr Africa May 10, 2022 The National Union of Metalworkers of South Africa (Numsa) has served ArcelorMittal SA with a 48-hour notice of a strike on Monday evening after reaching a deadlock with the employer … 0 FacebookTwitterPinterestEmail