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Brainwash
Brainwash - What's a Capacitor?
Where would you find silt? What do dung beetles decompose? A challenging scientific trivia.
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Ask the expert
Why does soap easily remove fats from metalware and glassware but not from plastic? Tom
First of all – this is a correct observation, as this problem does indeed exist: washing
May 17, 2012 זמן קריאה משוער 5
