translate English to French: Inadequate expertise in the area of child labour inspection and weakness of the measures to facilitate the verification of age of working children has been recognised to have been a hindrance to effective enforcement.
L'application de l'interdiction se heurte au manque de personnel d'inspection compétent et à l'insuffisance des mesures propres à faciliter la vérification de l'âge des enfants qui travaillent.