3.7. Foreign experts specialties needed in maintenance works:
In question 10 (in maintenance crew part) companies that need experts from abroad are asked to specify the specialties they need. Figure 13 shows the frequencies of specialties needed. 44 companies answered this question. About 59% of the companies need experts for control systems. 48 % of companies require experts specialized in printed circuits. The third required specialty, which is needed by 43% of the companies, is the calibration works. In general, companies facing problems locally in calibration are those who request foreign experts for it.