Why is there gold under rust deposits? #Science #Unzip #GoldRush #GoldMining

Feedback
Report

1 View PremiumSep 11, 2025

Repost is prohibited without the creator's permission.

haoqiwanhuatong

0 Follower · 425 Videos

Recommended for You

All
Anime

Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

0:47

Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

haoqiwanhuatong

5 Views

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

0:45

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

haoqiwanhuatong

18 Views

Speed Bump!! Cool Mechanical Series 6.17

3:50

Speed Bump!! Cool Mechanical Series 6.17

70 Views

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

1:05

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

haoqiwanhuatong

8 Views

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

0:46

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

haoqiwanhuatong

28 Views

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

0:43

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

haoqiwanhuatong

16 Views

Why do we need to stretch the syrup repeatedly when making handmade candies? This step is actually c

0:56

Why do we need to stretch the syrup repeatedly when making handmade candies? This step is actually c

haoqiwanhuatong

11 Views

Skilled workers are working at a satisfactory site~

3:49

Skilled workers are working at a satisfactory site~

43 Views

Men's Speed Bump: A Satisfactory Work Site

4:32

Men's Speed Bump: A Satisfactory Work Site

158 Views

Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

0:42

Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

11 Views

It turns out that the "water jet" is so powerful that no matter what material it is, it can cut it o

5:10

It turns out that the "water jet" is so powerful that no matter what material it is, it can cut it o

YouTubejingcaishipin-

401 Views

Let's take a look at some satisfying work scenes! 10.9

4:34

Let's take a look at some satisfying work scenes! 10.9

129 Views

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

1:01

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

haoqiwanhuatong

2.0K Views

Let's take a look at the amazing workplace of skilled workers!

3:49

Let's take a look at the amazing workplace of skilled workers!

24 Views

Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

0:47

Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

haoqiwanhuatong

11 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

13 Views

Useless life hacks!!

5:08

Useless life hacks!!

57 Views

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

0:49

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

haoqiwanhuatong

56 Views

Transform into the [Founding Titan] and launch the [Rumbling] in MC?! Minecraft Attack on Titan Supe

7:06

Transform into the [Founding Titan] and launch the [Rumbling] in MC?! Minecraft Attack on Titan Supe

____ngzhanshianzi

390 Views

Why doesn't it hurt when a needle is stuck in my finger?

1:26

Why doesn't it hurt when a needle is stuck in my finger?

24 Views