Is this method effective for distinguishing between crystal and glass?

The side effects of turning on fifth gear are huge. Sixty seconds of your life will be lost for ever

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It's a rare time to let you down. This time I didn't throw it into the river.

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Die laughing, the difference between never wasting time and always wasting time

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This agate contains water from hundreds of thousands of years ago

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I have collected a lot of girls' leather cases.

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The whole process of crystal feng shui ball processing

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Cut a colorful jade to see what's inside! It's better not to cut it

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The raw material of mammoth tooth fossils tens of thousands of years ago, the mining site...

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It's better not to cut it. It's not worth a dime.

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I want to cut this big dinosaur egg, but my boss won't let me

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[Dilraba/1080p] Every frame is a cover picture, why don’t you come in and * for free?

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Who of you revealed the location where I threw the stone? Come to pump water

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Hidden Masters Among the People

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Cutting crystal rough every day, today I will try cutting a piece of metal

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I'd like to ask if this is better steamed or fried?

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How many balls can there be in life? When it’s time to chop, chop your hands, and prosper in Kyushu.

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Everything can be cut! I want to cut everything I see, and then I want to throw it away after cuttin

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This one really hit out of nowhere.

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Instagram Abstract & Cringeworthy Moments #008: She’s Killing It on the Dance Floor!

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The difference between a young girl and a young woman

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