Gaffe à Lagaffe !
André Franquin
 *petrol: special petrol for the Gastomobile, it also can cause unexpected fireworks *anti-hold-up system: system which consists in spreading marbles to make robbers slide *radio-controlled iron: efficient iron, but not to be lost of sight, for it tends to fly away *heating for birds: system of pipes installed on the rooftop of Spirou editorial offices and connected to the heating system of the building *English divan: sofa made with elasticated plastic and buttons that tend to suddenly and break loose, causing high damage