These included smart watches, issued to operational environments to measure and collect actionable data on their health and wellness; smart ID cards worn by 75 office workers to facilitate contact tracing; a mobile app, enabling digitised Covid-19 health assessments of employees in queues, either for transport or site entrances; a visitor management system used to screen visitors for Covid-19 before they access our operations; and video footage and artificial intelligence (AI) used to identify breakdowns in Covid-19 controls such as social distancing or the wearing of face masks.