Brunost significantly reduce iron intake in the general population, and ordered iron to be added to the cheese. Modern brunost does not contain significant amounts of iron. However, the (natural) sugar content of Brunost is quite high, and also the fat content is significant, causing some to warn against it, and even likening it to milk chocolate. Some tests have shown major nutritional differences between different varieties of brunost. Also, it has been pointed out that the fat content of most brunost is significantly lower than in numerous other cheeses, such as soft cheeses. In January 2013, a lorry carrying 27
Fréjus Road Tunnel every 130 m, fed from large water tanks. There are 11 safety points along the tunnel, equipped with telephones and loud speakers connected to the control room, with a separate ventilation duct to supply fresh air. These are separated from the main tunnel by two fire doors; the outer door closes automatically when the temperature in the tunnel reaches a certain level. Finally there is a ‘thermal gate’ system at each entrance to identify any overheating vehicles. Despite these measures, on 4 June 2005, a fire caused the death of two Slovak lorry drivers, and the closure of the tunnel