Respuesta :

studycollabmira

Explanation:

I am sorry. I don't understand too :/ I haven't learn engineering before- But if I'm not wrong, if something is black, probably it's burnt? Because you have to dip it in the water to cool down.

For example, if a steel is burnt, it will change color like blue.

So the answer is "burnt".

Thepoisnousgirl

Having a bluish or black color of the material means it is burnt so dip it in the water to cool down

hipe answer is correct

mark me as brainliest

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