these schools are often run by nonprofit organisations but nevertheless fall under state supervision and are under the immediate responsibility of local authorities in addition there are vocational schools under the authority of the ministry of industry trade and labor that teach traditional trades such as vehicle maintenance and construction for the equivalent of grades to the sector is relatively small with approximately students in around institutions this is equivalent to only of the total number of grade to students however military service is playing a role in developing vocational skills as for many conscripts it includes learning general skills in engineering and trades