Complex sentence: Thanks to these advantages, Whirlwind engines were used widely and were built in large numbers; licensed copies were produced by manufacturers such as Continental Motors, Hispano-Suiza, and Shvetsov.
Split into simpler sentences: Thanks to these advantages Whirlwind engines were used widely and were built in large numbers. Licensed copies were produced by manufacturers such as Continental Motors, Hispano-Suiza, and Shvetsov.