Malfunction at Swiss chocolate factory sends out plume of cocoa 'snow' | Food | The Guardian August 19, 2020 Malfunction at Swiss chocolate factory sends out plume of cocoa 'snow' | Food | The Guardian: Fine particles dust the ground around Lindt & Spruengli factory in town of Olten after ventilation defect Share Get link Facebook X Pinterest Email Other Apps Share Get link Facebook X Pinterest Email Other Apps