Technical language (teaching of) ; Français fonctionnel; Teaching of technical language ; Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Transfer (language teaching) ; Transfer (Sprachunterricht) ; Interference (language teaching) ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; Metasprache (lex.) ; Autonymie ; English ; French ; Arabic