tükk
TÜKK is a common abbreviation that can refer to several entities, most notably the Hungarian State Railways, known in Hungarian as MÁV-START Zrt. previously referred to as Magyar Államvasutak (Hungarian State Railways). This railway company operates the majority of passenger and freight train services within Hungary. It is a significant player in the Central European rail network and is responsible for maintaining and developing Hungary's extensive railway infrastructure. The company manages a large fleet of locomotives and rolling stock, serving both domestic and international routes.
In a different context, TÜKK can also stand for Türkiye Kömür İşletmeleri Kurumu, which translates to Turkish