Complex sentence: Radomysl paper mill is a paper producing factory in the town of Radomyshl (Zhytomyr Oblast, Ukraine) since the 1st half of the 17th century, later on a flour mill, now the part of Historical and cultural complex Radomysl Castle.
Split into simpler sentences: Radomysl paper mill is a paper producing factory in the town of Radomyshl (Zhytomyr Oblast, Ukraine). It operates since the first half of the 17th century, later on a flour mill, now the part of Historical and cultural complex Radomysl Castle.