Complex sentence: The Burton breweries were known for a recirculating fermentation system known as the Burton Union; invented in the 1830s, the Union system was a row of casks connected to a common trough by way of a series of pipes.
Split into simpler sentences: The Burton breweries were known for a recirculating fermentation system known as the Burton Union. Invented in the 1830s, the Union system was a row of casks connected to a common trough by way of a series of pipes.