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Videos

0:48
Cement vibrator is very important for cement vibration operation
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0:59
Why is birch sap so expensive?
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0:43
Which is more powerful, China's aerospace or Musk's SpaceX
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0:48
How tiring is it to do repetitive, cheap, and labor-intensive work?
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0:44
Electric arc sparks on electric poles, high voltage drop-out fuses
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1:04
What should I do if a stone is stuck at the entrance of the crusher?
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0:56
You will never guess what is in the lunch boxes of foreign students
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0:52
What is the principle of drinking water from a cup in the weightless environment of space?
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1:01
Why can laser remove stains and rust?
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1:19
Otters are more charming than cats
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0:47
Is mixed race fair? Check out some interesting facts about relay races.
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0:55
The big brother who only likes to eat hard bones, look at him eating so deliciously
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0:57
I was shocked to find that only half of the baby's body was left.
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1:05
The feeling of cutting is like that of a surgical operation
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0:55
How to remove the trampoline Velcro wall after it is attached?
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0:45
Aren’t you afraid of getting burned if you put half of your body in the oven?
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0:44
Can one person finish a super large cup of milk tea?
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0:48
Such a big soft ball is actually sugar
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0:52
If a person rolls inside the ball, won’t he fall out of the entrance?
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0:48
There are so many ways to play with a spinning frisbee
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