Demonstratie brandvrije benzinetank

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Ir. Carlo Chiti from Italy received the first annual award from Centraal Beheer for his double-walled petrol tank, which contains a fire extinguishing liquid in the double wall. With a demonstration of the non-combustibility of the tank. Also footage of the car-free Sunday, where cyclists cycle along a motorway and go to a roadside restaurant and a man on a children's skelter rides along the motorway. A gas station doesn't sell gasoline. A car is stopped by the police and checked for an exemption and at the border crossings Dutch citizens are given a permit to drive home. Further crowded at the trains and buses. People ride through the woods by bike or in a carriage. With archive material of the chain collision near Prinsenbeek in 1972.

Human-made No record of this work says a model made it. What this means.