Expanded line of profile metal detection systems bolsters quality and flexibility on food manufacturing linessalford, uk. 16 february, 2011 &ndash to help food manufacturers respond to new regulatory pressure and shorter production runs of a variety of products, mettler toledo safeline has expanded its profile range of metal detection systems. Designed with productivity and flexibility in mind, these latest mettler toledo safeline innovations feature the most advanced detection technology for rigorous contaminant prevention and can be customised for any application.