Complex sentence: Shortly before the Second World War, Noel Macklin, a British industrialist, submitted to the British Admiralty a plan for series production of a motor launch to be built of components prefabricated by furniture, piano and other manufacturers and then assembled in shipyards.
Split into simpler sentences: Shortly before the Second World War a British industrialist, Noel Macklin, submitted to the British Admiralty a plan for series production of a motor launch. The launch was to be built of components prefabricated by furniture, piano and other manufacturers and then assembled in shipyards.