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| Today on Building Blocks: |
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| | | How LCDs Work - Learn about LCD technology, get LCD buying tips, read LCD reviews and compare prices and features on popular LCD models.
| | | How Electric Motors Work - You might be surprised to find out just how much work is done by electric motors. They're everywhere! You'll find them in your car, your kitchen, bathroom, office... Find out how electric motors get stuff moving.
| | | How Circuit Breakers Work - The circuit breaker is one of the most important safety mechanisms in your home. Without it, the risk of fire would skyrocket. Learn how a circuit breaker keeps your home's electricity in check.
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