Complex sentence: A production plant was built at Fforestfach in Swansea, South Wales, to manufacture the new range of Corgi Toys providing many new jobs in an area of high unemployment following the scaling down of local coal mining operations.
Split into simpler sentences: A production plant was built at Fforestfach in Swansea, South Wales, to manufacture the new range of Corgi Toys. This provided many new jobs in an area of high unemployment following the scaling down of local coal mining operations.