Complex sentence: In days now gone Dungarvan had a thriving tannery, a distillery a gasworks, a fishing fleet and in the latter 20th century, a major source of trade and employment was Dungarvan Cooperative (Creamery) which firmly bonded the town of Dungarvan with its agricultural hinterland.
Split into simpler sentences: In days now gone, Dungarvan had a thriving tannery, a distillery, a gasworks, and a fishing fleet. In the latter 20th century, a major source of trade and employment was Dungarvan Cooperative (Creamery), which firmly bonded the town of Dungarvan with its agricultural hinterland.