Why do wheel-shaped multi-nozzle rockets spin to fly? #Science #Unzip #DIY #Rocket

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haoqiwanhuatong

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Fountain pens can also draw lines of varying thicknesses. Do you know why fountain pens can write sm

0:46

Fountain pens can also draw lines of varying thicknesses. Do you know why fountain pens can write sm

haoqiwanhuatong

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

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Man's Speed Bump: Obsessive-compulsive Worker

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Man's Speed Bump: Obsessive-compulsive Worker

246 Views

Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

haoqiwanhuatong

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[Miao Xiaoge's cartoon works] Cartoon car video cartoon engineering vehicle video children's educati

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[Miao Xiaoge's cartoon works] Cartoon car video cartoon engineering vehicle video children's educati

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They say diamonds are forever, but they can be burned and broken.

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They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

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【Wang Li Universe Army】⚡The rough machine carries the most delicate romance of human beings to the u

3:05

【Wang Li Universe Army】⚡The rough machine carries the most delicate romance of human beings to the u

keledunzhouzicbe

92 Views

Do you know why elephants crush watermelons before eating them? #elephant#elephantfoot#elephant eats

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Do you know why elephants crush watermelons before eating them? #elephant#elephantfoot#elephant eats

haoqiwanhuatong

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It turns out that the horns of different cows are so different.

0:49

It turns out that the horns of different cows are so different.

haoqiwanhuatong

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

haoqiwanhuatong

52 Views

When shoeing a horse, why do we use red-hot horseshoes to burn the hooves?

1:19

When shoeing a horse, why do we use red-hot horseshoes to burn the hooves?

haoqiwanhuatong

12 Views

A profession that is easily misunderstood - rope bondage master

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A profession that is easily misunderstood - rope bondage master

tengyuan__angde__aohao

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Engineering vehicles are dispatched urgently, children's animation that babies love to watch

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Engineering vehicles are dispatched urgently, children's animation that babies love to watch

meilixiaoxiao_03

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How sexy is sexy lingerie?

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How sexy is sexy lingerie?

114 Views

Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

0:46

Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

haoqiwanhuatong

9 Views

The first step after a burn is not to go to the hospital immediately!

1:13

The first step after a burn is not to go to the hospital immediately!

64 Views

Best Of 2020 Mashup | Year-end Mashup 2020

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Best Of 2020 Mashup | Year-end Mashup 2020

72 Views

Meat you've never seen before

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Meat you've never seen before

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Plastic floor installation

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Plastic floor installation

jiajudarenmrwen

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A wind power engineer with ten years of experience tells you whether wind power generation is a scam

1:11

A wind power engineer with ten years of experience tells you whether wind power generation is a scam

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