Write a summary of "The Answers: Shania and Zelda"? Use your words to express the author's purpose and theme of writing this text. Use details from the text to support your answer.

The voussoirs rest on the centering until the keystone is wedged into place. at that point, the centering can be dismantled. what does the word dismantled mean? a. to take apart b. to put together c. to cover d. to lift up