| Subject | English | Serbian |
| pwr.lines. | aircraft warning marker for conductor and earth wire | знак упозорења за ваздухоплове за проводнике и заштитно уже |
| pwr.lines. | night warning light for conductor | светло за ноћно упозорење за проводнике |
| comp., MS | warning message | порука упозорења (A message that appears on the screen to alert the user to something that must not be addressed) |
| cables | warning tape | позор трака |