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To surprise her mother on her birthday, Samantha got up early and make coffee. First, she filled the pot with water. Then she cleaned and replaced the filter. Next, she got fresh coffee, measured just the right amount, and poured it into the filter. Finally, she pressed the "on" button and within seconds, the aroma of the fresh-brewed coffee filled the house. The MAIN text structure used in this paragraph is . . .
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