![28 March 2018, Germany, Wennigsen: An employee of the GLASER -isb cad-Programmsysteme GmbH runs a back-up which takes a couple of hours. Photo: Peter Steffen/dpa Stock Photo - Alamy 28 March 2018, Germany, Wennigsen: An employee of the GLASER -isb cad-Programmsysteme GmbH runs a back-up which takes a couple of hours. Photo: Peter Steffen/dpa Stock Photo - Alamy](https://l450v.alamy.com/450v/mam287/28-march-2018-germany-wennigsen-an-employee-of-the-glaser-isb-cad-programmsysteme-gmbh-runs-a-back-up-which-takes-a-couple-of-hours-photo-peter-steffendpa-mam287.jpg)
28 March 2018, Germany, Wennigsen: An employee of the GLASER -isb cad-Programmsysteme GmbH runs a back-up which takes a couple of hours. Photo: Peter Steffen/dpa Stock Photo - Alamy
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![28 March 2018, Germany, Wennigsen: An employee of the GLASER -isb cad-Programmsysteme GmbH runs a back-up which takes a couple of hours. Photo: Peter Steffen/dpa Stock Photo - Alamy 28 March 2018, Germany, Wennigsen: An employee of the GLASER -isb cad-Programmsysteme GmbH runs a back-up which takes a couple of hours. Photo: Peter Steffen/dpa Stock Photo - Alamy](https://c8.alamy.com/comp/MAM27W/28-march-2018-germany-wennigsen-an-employee-of-the-glaser-isb-cad-programmsysteme-gmbh-runs-a-back-up-which-takes-a-couple-of-hours-photo-peter-steffendpa-MAM27W.jpg)