Complex sentence: In 1937, with World War II looming, Delve served on a Home Office committee advising on changes to Britain's fire service, which were implemented following the 1938 Fire Brigade Act, which established the Auxiliary Fire Service and admitted women to fire brigades.
Split into simpler sentences: In 1937, with World War II looming, Delve served on a Home Office committee advising on changes to Britain's fire service. Its recommendations were implemented following the 1938 Fire Brigade Act, which established the Auxiliary Fire Service and admitted women to fire brigades.