railway signal
Gwedd
optical, acoustic or electronic signals provide information in the form of signal aspects in the operation of the railway
enghraifft o'r canlynol
signal generator
isddosbarth o'r canlynol
railway facility
dyfais
rhan o'r canlynol
rail infrastructure
defnydd
railway signalling system
railway safety
agwedd o'r canlynol
railway signalling system
ar restr sylw'r prosiect Wikimedia
Wikipedia:Vital articles/Level/4
pwynt mewn amser: 31 Hydref 2022
Tag neu allwedd OpenStreetMap
Tag:railway=signal
yn wahanol i
Q12041721
categori Comin
Rail transport signals
prif gategori
Category:Rail transport signals
Cyfeiriadau
- ↑ YSO-Wikidata mapping project, 26 Tachwedd 2021
- ↑ https://encyklopedia.pwn.pl/haslo/semafor;3973829.html
- ↑ KBpedia, 9 Gorffennaf 2020
- ↑ Freebase Data Dumps, 28 Hydref 2013