On the mountain. (usc). The recognition for excellent training at the ISE Language and Vocational Training Center came from a competent source. “I am used to good and very good exam results being achieved at the ISE. It’s great that we have this facility,” emphasized Karl-Heinz Lex, training advisor at the IHK Regensburg for commercial professions, when handing out certificates to eight retrainees. After two years of retraining, you received recognition as a warehouse logistics specialist at the ISE Language and Vocational Training Center.