Photo taken on April 15, 2020 shows the process of making 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
An employee of the municipality of Piraeus makes 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece, on April 15, 2020. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
Photo taken on April 15, 2020 shows the process of making 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
An employee of the municipality of Piraeus makes 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece, on April 15, 2020. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
An employee of the municipality of Piraeus makes 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece, on April 15, 2020. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
Photo taken on April 15, 2020 shows the process of making 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
An employee of the municipality of Piraeus shows the 3D printed face shield at the Blue Lab in Piraeus, Greece, on April 15, 2020. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)
An employee of the municipality of Piraeus makes 3D printed face shields for medical workers at the Blue Lab in Piraeus, Greece, on April 15, 2020. In a hi-tech hub at the Greek port city of Piraeus, experts in new technologies are racing against time day in and day out this April to meet Greek hospitals' needs for personal protective equipment (PPE) in the war against the novel coronavirus pandemic. (Xinhua/Marios Lolos)