41. Signs written in French and bearing characters at least 25 mm high or pictograms at least 150 x 150 mm shall be installed to indicate to users:1° that smoking is prohibited;
2° that hair and clothing shall be safely tucked away where a risk of entanglement may exist;
3° the restrictions provided for by the manufacturer regarding size, weight or use;
4° that the smallest user shall be placed the nearest to the centre of a centrifugal ride.