Highlight details that are important to include in a summary of the central ideea. The putting together of the open steel framework of the Empire State Building revealed one distinct difference from the framework of the skyscrapers being put up today. It was full of rivets. And its construction was audibly different from today's methods of building. Riveting made such an infernal racket that New Yorkers wrote angry letters to the newspapers about the noise. —The Building of Manhattan, Donald A. Mackay What is the best summary of the central idea in the paragraph? The Empire State Building was built much differently than skyscrapers today. The construction of the Empire State Building was too loud. Riveting is an old, noisy construction technology that is no longer in use. The Empire State Building is an impressive building compared to those built today.