interlocking system वाक्य

उदाहरण वाक्य

1. An interlocking system was installed at the station on 22 January 1971.
2. The interlocking system is also being changed to panel or route relay interlocking.
3. A complete interlocking system became operational from 28 August 1938.
4. An incomplete interlocking system was operational from 1 November 1903.
5. As part of this a new, fail-proof interlocking system became operational in December 1926.
6. A simplified interlocking system was installed on 1 January 1901.
7. An interlocking system was installed and had to be guarded 24 hours a day.
8. Wilson declared that science is an interlocking system of fields.
9. An interlocking system was installed on 30 May 1959.
10. Since the late 1980s, new interlocking systems have tended to be of the electronic variety.