What is metal fatigue?

The teasing has begun!

hanenhuih

199 Views

10 Hidden Tricks for Using Wrenches

jixieshijiej

0 View

Gear latch process principle

jixieshijiej

35 Views

A boy found a strange egg and when he opened the shell, he discovered blue inside!

fletcher_serrano

9 Views

When woodpeckers peck at trees, are they really curing the trees' illnesses?

jixiepangke

61 Views

I just want to be a little environmental guardian #protect the environment #outdoor shooting

huadajiedangong

44 Views

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

haoqiwanhuatong

15 Views

A burrito made Fox grow little black legs

Bingtangxuelibushili

38 Views

【Electric Guitar】Peking University High School Girls Play polyphia-champagne

jinshuniuer

45 Views

Dangerous animals you have never seen

wojiaowangyifeii

62 Views

Super cool mechanical series of speed bumps!

jixiepangke

12 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

17 Views

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

12 Views

The power of science

haoyongwujingongju

19 Views

The professional bee cleaning lady completed the most "crazy" action of this season (please do not i

YouTubejingcaishipin-

43 Views

Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

haoqiwanhuatong

4 Views

Heavy-metal music of LinKinPARK's "Given up" was covered by a boy

bili_1464225766

128 Views

Introduction to Tequila

yaki1

49 Views

Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

23 Views

Mud that can burn: peat

jiajudarenmrwen

162 Views