consist of three types - 81-765 (head motor car), 81-766 (intermediate motor car) and 81-767 (intermediate non-motor car). The series is being used in 4 systems
system. Ezh3/Em-508T: 1977–1985. 81-717/714: 1980–present. 81-718/719: 2001–present. 81-717M: 2015–present. 81-765.5/766.5/767.5: 2020–present Like in all
In May 2018, the first 81-765/766/767 train began operating on the line, ahead of schedule. In December 2020, the first 81-775/776/777 train began operating
712–743) Ja'far al-Sadiq 702–765 (imam 743–765) Isma'il al-Mubarak 719/722–775 (imam 765–775) Muhammad ibn Isma'il 740–813 (imam 775–813) Abadullah ibn Muhammad
October 775 CE) usually known simply as by his laqab al-Manṣūr (المنصور) was the second Abbasid caliph, reigning from 136 AH to 158 AH (754 CE – 775 CE) succeeding