Children play outside of a health hut in the village of Ngass, Senegal, where they received life-saving zinc treatments supplied by the Zinc Alliance for Child Health in partnership with Teck 30 Teck 2012 Sustainability Report The Safety and Sustainability Committee of the Board assists the Board with its oversight responsibilities in connection with safety and sustainability, and reviews the policies, systems and resources that are in place to implement our safety and sustainability commitments.