Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

Decompression video of the skilled worker series!

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This time the triangular cake pot was cast very successfully.

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Grandpa made 100 million out of wood. It’s amazing.

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The working people are so smart!

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

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Mountain snowfields, seafood feast!

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Hardware Tips

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Handmade Internal Combustion Tractor

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【MC】Make a tree out of wood

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Practical Home Repair Tips

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This fish is really hard to deal with!

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Great guy, reuse waste! Support craftsmen!

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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The pace of innovation has never stopped since ancient times, and good works can withstand the wait.

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A secret compartment for hiding private money

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Use high-temperature aluminum to cast the entrance of the fire ant colony. After digging out and cle

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Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

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Learn these hardware skills and don’t worry when you encounter problems

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Knot tying method left by the ancients

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Share 11 practical locks, which ones have you used? #lock #hard and durable #practical tools #popula

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