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HowStuffWorks
This website bundles a lot of information from a central question: how does it work?
Topics covered include:
- How does camouflage work on animals?
- How does a car work?
- How does the human body work?
- How do technical applications work?
- How does a …
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Detergents: Worksheets
Three papers in which types of detergent are applied.
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Types of heating
In this lesson an overview is made of the different types of heaters with their advantages and disadvantages.
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Downloadable resource (34)Other function