#8817541The Ukrainian SSR. Specialists from the Sofia Metro Network study at the Technical School of the Kharkov Metro Utility Enterprise. In this photo, they are assembling measuring and diagnostic equipment.Sign in or register,to downloadAdd to cartRemove from cartCategories: Labour, Education, Economy, Business & Finance, PoliticsLocation: Kharkiv, UkraineEvent date: 02.09.1990Date published: 28.11.2024Author: Yuri MarinCredit: SputnikOriginal: 90-9678, 35 mm filmMedia: JPEG, 3603x3543px, 8.2Mbcurriculaultrasonictransporttheorydiagramcooperationtraffic control servicehidden defectstracksinstrumentadvanced trainingtrainingrolling stockprofessional improvementretrainingpublicmaintenanceexchanging experiencemetro networkmeasuringdiagnosticssensordetectingmetro safetyequipmentUSSR-Bulgaria
