Islam Oxygen with a daily capacity of producing 28,000 cubic metres is making only medical oxygen after stopping supply to industries amid concerns over shortage for COVID-19 patients. Photo: Asif Mahmud OveIslam Oxygen with a daily capacity of producing 28,000 cubic metres is making only medical oxygen after stopping supply to industries amid concerns over shortage for COVID-19 patients. Photo: Asif Mahmud OveWorkers producing medical oxygen at Islam Oxygen factory in Narayanganj's Rupganj amid a rising demand fuelled by a second wave of coronavirus infections. Photo: Asif Mahmud OveWorkers producing medical oxygen at Islam Oxygen factory in Narayanganj's Rupganj amid a rising demand fuelled by a second wave of coronavirus infections. Photo: Asif Mahmud OveWorkers refilling oxygen cylinders for hospitals at Islam Oxygen factory in Narayanganj's Rupganj as demand rises amid a second wave of coronavirus infections. Photo: Asif Mahmud OveWorkers refilling oxygen cylinders for hospitals at Islam Oxygen factory in Narayanganj's Rupganj as demand rises amid a second wave of coronavirus infections. Photo: Asif Mahmud OveA worker refilling oxygen cylinders for hospitals at Islam Oxygen factory in Narayanganj's Rupganj as demand rises amid a second wave of coronavirus infections. Photo: Asif Mahmud OveA worker carries a cylinder at Islam Oxygen factory in Narayanganj's Rupganj. The demand for small oxygen cylinders is high amid soaring coronavirus cases as the small cylinders are easily transportable. Photo: Asif Mahmud OveIt takes only 10 minutes to refil a small cylinder at Islam Oxygen factory in Narayanganj's Rupganj. Photo: Asif Mahmud OveCylinders ready to ship at Islam Oxygen factory in Naraynganj's Rupganj. Photo: Asif Mahmud OveWorkers loading a truck with refilled cylinders at Islam Oxygen in Narayanganj's Rupganj. Photo: Asif Mahmud OveOxygen cylinders on display outside a store in Dhaka's Moghbazar amid a coronavirus second wave. Photo: Asif Mahmud OveOxygen cylinders on display outside a store in Dhaka's Moghbazar amid a coronavirus second wave. Photo: Asif Mahmud Ove