Bakhytbek Mukanov, a smelter with 30 years experience, adjusts his gear at Eurasian Resources Group's (ERG) Aksu Ferroalloys Plant in the town of Aksu, north-eastern Kazakhstan, February 19, 2018. REUTERS/Shamil Zhumatov SEARCH "AKSU" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.