Complex sentence: Little remains of its industrial history-the worked-out Cambrian limestone quarry, was once owned by Lever Brothers Ltd of Port Sunlight, manufacturers of VIM, a scouring powder made from the silicone sandstone quarried here, which was ideal for the purpose.
Split into simpler sentences: Little remains of its industrial history-the worked-out Cambrian limestone quarry, was once owned by Lever Brothers Ltd of Port Sunlight, manufacturers of VIM. This was a scouring powder made from the silicone sandstone quarried here, which was ideal for the purpose.