Complex sentence: In Penrhiwceiber there was a colliery known as Penrikyber Colliery which was founded in 1872 and spanned just over century after it was closed on the 8 October 1985 providing jobs for at one point in 1923 over 2200 employees.
Split into simpler sentences: In Penrhiwceiber there was a colliery known as Penrikyber Colliery which was founded in 1872 and spanned just over century. It was closed on the 8 October 1985 providing jobs for at one point in 1923 over 2200 employees.