back back button business button chain Chain graphic communications connect contact food graphic Green Chili hot joint link medal sound web web back button clouds communication electric iron journey pebbles post pylons rail rails railway railways rocks semaphore signal Signals sky stones train trains transportation travel voyage weather answer ask asking assistance concept confusion doubt glossy illustration mark punctuation query Question question mark shape sign simple support symbol text think comunicate cross cross walk crossing english metal pedestrian pedestrian crossing signage street street scene street sign streets verbage walk walking yellow AM-broadcast-band AM-radio amplitude-modulation (AM) antique broadcast broadcasting circuitry communicating complex connections console-tube-radio deteriorating dirty disused floor-standing frequencies frequency-range high-frequency (HF) information informative inside long-wave (LW) longwave medium-frequency (MF) medium-wave (MW) multiband-radio neglected parts radio radio-bands radio-frequencies radio-waves range-of-frequencies short-wave (SW) tubes valves vintage waveband wavelength weathered wireless wiring artwork black & white creative engineering family happy family tool tool Graphic Train icon Train line Train Line graphic Train line icon