Gxila kuma-UV LEDs kusukela ngo-2009
Kuhlanganiswe nokushisa okuphansi namandla aphezulu e-UV, amasistimu okwelapha e-UVET afanele ukuphrinta kwe-offset.
Kulula ukuhlanganisa imishini yokunyathelisa ye-offset ukunikeza ukuguquguquka okwengeziwe kokusebenza komsebenzi wokuphrinta ohlangene.