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What do the big diamond-shaped signs with red yellow and blue diamonds mean?
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Many buildings in my area have a big red, yellow and blue diamond-shaped sign with numbers on it. Do you know what this sign means?
What are some uses for liquid sandpaper?
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Liquid sandpaper is a chemical solution that removes the glossy layer from a painted item, enabling you to paint over the object without the paint dripping off. Learn more about some uses for liquid sandpaper from this article.
Comparing Strong Acids and Weak Acids
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In the world of chemistry, understanding the difference between strong acids and weak acids is fundamental for both students and professionals alike. Strong acids are known for their ability to completely dissociate in water, making them a pivotal topic in chemical reactions and laboratory experiments.
Organic Pest Control for a Vegetable Garden
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Organic pest control can include paper collars and crop rotation to keep the pests away. Learn all about organic pest control for your vegetable garden.
10 Things Your Dry Cleaner Doesn't Want You to Know
He runs a mysterious universe where clothes soak in chemical baths and hundreds of hanging plastic bags march in formation at the push of a button. We take you inside your dry cleaner's world and explain why it costs $7 to clean your silk shirt.
How Gas Masks Work
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Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
Gadget Savvy: Batteries Quiz
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You can find batteries under the hood of your car, inside a TV remote -- even within hearing aids. Batteries were invented nearly two centuries ago, and they keep getting more sophisticated. But how well do you know what's at work inside these cans of chemicals?
How does pressure-treated lumber work?
home.howstuffworks.com/home-improvement/remodeling/question278.htm
How does pressure-treated lumber work and can it be harmful to humans? Find out the answers to these questions and more in this helpful home improvement article.
How Do Lava Lamps Work? The Science Behind Liquid Motion
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You've seen them. Those iconic, mesmerizing liquid sculptures that dance inside a glass bottle, casting a warm and nostalgic glow. Yes, we're talking about the lava lamp. But, how do lava lamps work?
What are the different types of sunscreen?
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What are the different types of sunscreen? Visit HowStuffWorks to find out what the different types of sunscreen are.