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technological inventions - technological inventions Free Videos
01:08
Good convenience, China first unmanned warehouse, all automatic packaging
Anecdote
319
01:00
I don't understand. Designers invented special-shaped high-heeled shoes, which cost up to $10,000.
Anecdote
342
03:06
Funny inventions, obsessive-compulsive disorder benefits
Life
379
02:53
Which devil invented the rat trap, the rat is collapsed after watching the heart
Funny
297
01:00
Grandpa invented a bike with exotic flowers. Without pedals, it can be switched by wind and electricity on both legs.
Life
354
02:40
The lazy kitchen artifacts invented by foreigners want a complete set
Life
281
01:04
Self-made three-wheel drift flying car, all the way sparkling
Life
342
01:44
How surprising is a protective device like an umbrella?
Life
317
