結果 : what kind of metal is pb
4:37

Lead,Pb (Metal Talk)

Welsh Dragon Metals.(Gaming)
177 回視聴 - 4 年前
1:52

Types Of Metal with Pictures And Names In English|Understanding Metals

words talk easy
127,465 回視聴 - 1 年前
0:28

Collected Lead (Pb) Metal from gem bearing gravels - Melting through traditional Way Just for fun

Danu Group
193 回視聴 - 5 年前
2:12

What Type of Solder Should you use.

Gizmoes Electronics
98,581 回視聴 - 6 年前

-
0:18

Lead Metal Extract From Battery #shorts

BLUE BOX
7,121,744 回視聴 - 3 年前
3:50

Lead - Metal That BULLETS Are Made From

Thoisoi2 - Chemical Experiments!
177,697 回視聴 - 8 年前
2:48

Melting Point Of Different Metals

COMPARISON LIST
219,188 回視聴 - 3 年前

-
3:11

What does lead metal look like?

Luciteria Science
10,704 回視聴 - 4 年前
0:33

metal melting(Pb)

DAFG Views
412 回視聴 - 2 日前
0:51

Find Lead Metal

AMchemistry
4,737 回視聴 - 12 年前
0:15

"LEAD PB, METAL, ATOMIC NUMBER 82" in Cantonese (鉛) - Flashcard

Dim Sum Saying
362 回視聴 - 8 年前
2:57

Properties of Lead

HowStuffWorks
47,897 回視聴 - 15 年前
2:33

Ionic Charge for Lead (Pb)

Wayne Breslyn (Dr. B.)
21,784 回視聴 - 3 年前
6:56

Detection of Heavy Metal : Pb (II) & Cd (III) || Nanotechnology

Knowledge Star
205 回視聴 - 1 年前
2:24

Lead Oxide. PbO

AllChemystery
69,936 回視聴 - 7 年前
0:57

This dirty lead needs to be cleaned

NileRed
3,371,192 回視聴 - 3 年前
0:16

Lead metal smelting crafts and arts #casting

Hot metal
7,051 回視聴 - 2 年前
2:57

HowStuffWorks - The Power of Lead

Discovery
87,950 回視聴 - 15 年前
8:08

Lead - Periodic Table of Videos

Periodic Videos
850,665 回視聴 - 16 年前
2:00

Heavy metals | pollution | animated channel about ecology

COMPARATOR
32,598 回視聴 - 4 年前