Translate the following English sentence to French:
"They were warned against touching anything which might be suspected of having been in contact with depleted uranium; they were called upon to leave areas suspected of having been polluted by dust from depleted uranium weapons; and they were urged to wash their uniforms often."
On leur avait conseillé de ne toucher aucun objet ayant pu avoir été en contact avec de l'uranium appauvri, on leur avait demandé de quitter les zones qui auraient pu avoir été contaminées par de la poussière provenant d'armes contenant de l'uranium appauvri et on leur avait également demandé de laver souvent leur uniforme.