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.