Essential knowledge | In a nutshell

Essential Knowledge | In a nutshell



This page will feature articles that are commonly seen in daily life.
Here are knowledges that reduces difficult explanations and makes them easier to understand.


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3. Is it fatal if you get hurt while climbing a high mountain?

Key words: high mountain, caution, climbing, fatal, blood, air pressure, altitude 

2. Blowing out candles with carbon dioxide from a breath out?

Key words : blow, out, candles, outbreath, breath, turn off, fire, carbon dioxide, CO2


1. Why is the gun thickness of gasoline and diesel different?

Key words : gasoline, petrol, diesel, gun, thickness, different

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