Sponsor advert for Grup Pronto Servis. Text reads: Proud sponsors of TopCat Radio TRANSPORT D'AIGUA POTABLE Per a consum humà \\ Emplenat de piscines i dipòsits d'aigua 607 93 34 01 -- 977 70 10 11 Trans. Autorizat (E-02) Image is the side view of an "a>royo potable" water tanker.