Is a soft hammer really easier to use?

REUNI - uma perspectiva crítica; expansão da universidade brasileira

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Why is there always a worker crouching in the most dangerous spot next to the piling rig?

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Guess it's a hammer

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Why does someone have to risk their life to retrieve a single drill bit?

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Wire is obviously very stiff, so why does it snap after just a few bends?

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Why do some popsicle sticks fall off before you even take a bite?

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Why must steel strands be first separated and combed?

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Why is it that, among all trees, only this one has a solid black core?

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How do submarines vent smoke while submerged?

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Why do some people wear two electronic ankle monitors on their feet?

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Pure water doesn’t conduct electricity, so why can’t you use it to cool your computer?

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Why is an iron chain hung in the middle of a minecart tire?

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When the big tree is about to fall, that’s when things really get dangerous!

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Why did the workers dump clams into the mud?

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Why must concrete mixer trucks rinse their drums immediately after work?

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A pirate dinghy approaches the giant ship—what can the crew do?

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It may seem like a waste to use premium wood for mop handles, but it’s actually a clever application

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Why is it so hard to drive a walking tractor?

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Where’s the safest seat on an airplane?

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How much does a house in North Korea cost?

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