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How Air Brakes Work
auto.howstuffworks.com/auto-parts/brakes/brake-types/air-brake.htm
Air brakes aim to stop trucks, trains and buses from crashing. Learn why air brakes, not hydraulic brakes, slow these modes of transportation down.
How Mustard Gas Works
science.howstuffworks.com/mustard-gas.htm
Mustard gas is a chemical warfare agent developed during World War I. Learn how mustard gas affected soldiers and armies used mustard gas.
22 Home Remedies for Back Pain
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-back-pain.htm
Home remedies can help prevent and soothe back pain. Learn the simple measures you can take to keep your back healthy and pain-free.
How to Change Brake Pads
auto.howstuffworks.com/auto-parts/brakes/brake-repair/change-brake-pads.htm
If it's time to change brake pads, you don't necessarily have to go to a mechanic. Let HowStuffWorks explain how to change brake pads.
How Trickle-down Economics Works
money.howstuffworks.com/trickle-down-economics.htm
Whether trickle-down economics works is a hot debate among theorists and politicians. Learn why trickle-down economics has so many allies and adversaries.
How Labor Scabs Work
money.howstuffworks.com/labor-scab.htm
Labor scabs fill jobs when union workers go on strike. Learn more about labor scabs and labor strikes.
10 Tips for Retirement Savings
money.howstuffworks.com/personal-finance/retirement-planning/10-tips-for-retirement-savings.htm
Having enough retirement savings can help you live comfortably in your golden years. See 10 tips for retirement savings to get started.
10 Different Types of Laughter
science.howstuffworks.com/life/inside-the-mind/emotions/5-types-of-laughter.htm
From giggles to guffaws and chuckles to cackles, humans laugh in a lot of different ways. But what do each of those laughs mean, and are they all related to humor?
How Lowriders Work
auto.howstuffworks.com/under-the-hood/trends-innovations/lowrider.htm
Lowriders are modified cars with suspensions that can be raised and lowered. Learn about lowriders, different types of suspensions and lowrider life.
Science Projects for Kids: Classifying Plants
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-classifying-plants.htm
Science projects for kids on classifying plants are activities exploring the plant kingdom. Start science projects for kids: classifying plants.