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📖 Description
Many people use computers to work from home and other places. And special equipment makes work safer than in the past. But long ago, computers didn't exist. Safety equipment hadn't been invented either. In what other ways has work changed over time? Read this book to find out!
Learn how daily life has changed over time in the Comparing Past and Present series--part of the Lightning Bolt Books (tm) collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books (tm) bring nonfiction topics to life!
