![Troisdorf, Germany. 01st Apr, 2020. The headquarters of the plant manufacturer Reifenhäuser. In the Reifenhäuser test Troisdorf, Germany. 01st Apr, 2020. The headquarters of the plant manufacturer Reifenhäuser. In the Reifenhäuser test](https://l450v.alamy.com/450v/2bby13h/troisdorf-germany-01st-apr-2020-the-headquarters-of-the-plant-manufacturer-reifenhuser-in-the-reifenhuser-test-centre-which-is-otherwise-exclusively-used-for-research-and-development-two-machines-produce-a-nonwoven-that-can-be-used-for-respiratory-masks-credit-marius-beckerdpaalamy-live-news-2bby13h.jpg)
Troisdorf, Germany. 01st Apr, 2020. The headquarters of the plant manufacturer Reifenhäuser. In the Reifenhäuser test
![Troisdorf, Germany. 01st Apr, 2020. An employee of the plant manufacturer Reifenhäuser carries out a visual inspection of the nonwoven fabric, which for this purpose is illuminated from behind as it passes Troisdorf, Germany. 01st Apr, 2020. An employee of the plant manufacturer Reifenhäuser carries out a visual inspection of the nonwoven fabric, which for this purpose is illuminated from behind as it passes](https://c8.alamy.com/comp/2BBY13G/troisdorf-germany-01st-apr-2020-an-employee-of-the-plant-manufacturer-reifenhuser-carries-out-a-visual-inspection-of-the-nonwoven-fabric-which-for-this-purpose-is-illuminated-from-behind-as-it-passes-through-the-production-line-in-the-reifenhuser-test-centre-which-is-otherwise-exclusively-used-for-research-and-development-two-machines-produce-a-nonwoven-that-can-be-used-for-respiratory-masks-credit-marius-beckerdpaalamy-live-news-2BBY13G.jpg)
Troisdorf, Germany. 01st Apr, 2020. An employee of the plant manufacturer Reifenhäuser carries out a visual inspection of the nonwoven fabric, which for this purpose is illuminated from behind as it passes
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