Cranes are essential for engineering projects all over the world and building one that suits a project’s needs requires considerable ingenuity.
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Lenses that magnify images can come in different shapes and sizes.
Liquid water absorbs energy when it evaporates to form water vapour gas.
Stretch a balloon to make a drum and take turns tapping out a rhythm.
Check out the sound that different rubber bands make when stretched around a lunch box.
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