21. Examples of such signals were used on lines signaled by the radio electronic token block system . 22. The automatic block system between Landl and Bad Endorf was not opened until 26 November 1985. 23. Most lines in Melbourne operate under an automatic block system of safeworking with three-position power signalling. 24. After October Revolution semi-automatic block system was brought in at Vertunovskaya station, railway tracks were reconstructed. 25. Another version of the moving block system would be the location computers on the trains itself. 26. From 1870 the most difficult sections were equipped with the disc block system , which was permissive. 27. A "'Fusion Block System "'is new type of onboard thermal management module within the computing industry. 28. Fixed block systems usually work with distributed logic that are normally more resistant to such outages. 29. La Follette is one of a small number of schools in the state using the block system . 30. An automatic block system went into operation between Prien am Chiemsee and �bersee on 1 July 1980.
