4-BOB
QO’L SIGNALLARI ________________________________________
5-BOB
SIGNAL KO’RSATKICHLARI VA BELGILARI________________
Marshrut ko’rsatkichlari _____________________________________
Strelka ko’rsatkichlari______________________________________
Olib tashlash va yo’l
cheklash qurilmalari
ko’rsatkichlari _____________________________________________
Gidravlik kolonkalar ko’rsatkichlari _________________________
Poezdlarda nosoz vagonlar
mavjudligining
ko’rsatkichlari _____________________________________________
Blok-uchastkalar chegaralari ko’rsatkichlari ____________________
"Tok qabul qilgichni tushir" ko’rsatkichi ______________________
Doimiy signal belgilari __________________________________
Muvaqqat signal belgilari ________________________________
6-BOB
MANYOVR ISHLARIDA QO’LLANILADIGAN
SIGNALLAR ______________________________________________
7-BOB
POEZDLAR, LOKOMOTIVLAR
VA BOSHQA
HARAKAT BIRLIKLARINI BELGILASH UCHUN
QO’LLANILADIGAN SIGNALLAR _________________________
8-BOB
TOVUSHLI SIGNALLAR __________________________________
9-BOB
XAVF SIGNALLARI VA
MAXSUS KO’RSATKICHLAR ________________________________