An inscriptions onto private freight tank car type "Zagkks" , owned by private company , called "Kalvacha".From Bulgarian to English , the name of the company is translated like "the woodpecker".About the company - "KALVACHA" is one of the biggest manufacturers of wilde range of equipments and facilities for gas and oil industry. The company is a market leader in the construction of facilities such as petrol and gas stations, oil and gas storages, railway terminals, LPG and CNG distribution stations and pipelines in Bulgaria.The headquarters of the company is stabled in city of Stara Zagora.The web site is following: http://www.kalvacha.bg/corp.php Digital photo Veselin Malinov , e-mail: malinov.veselin99@gmail.com