結果 : what does lead free crystal mean
1:46

What is the diffrence between Glass, Crystal and Lead Crystal?

Chrismas Kitchen
105,507 回視聴 - 3 年前
37:32

Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe?

Applied Science
295,523 回視聴 - 1 年前
0:38

What does lead-free mean?

What Does That Mean?
175 回視聴 - 9 年前
3:49

Is there Lead and Cadmium in Glassware?

Lead Paint Detectives
8,366 回視聴 - 5 年前
3:49

How to Identify Crystal Glass

City Farmhouse Antiques
61,491 回視聴 - 1 年前
0:16

The TRUTH About Our Crystal Mining 🙈 #crystals #mining #rockhounding #arkansas

Nature Direct Co
380,625 回視聴 - 1 年前
7:40

How Can You Tell If A Wine Glass is Crystal?

Advanced Mixology
11,059 回視聴 - 2 年前
7:35

Lead Crystal Identification & Food Safety

Prima Treasures
15,532 回視聴 - 3 年前
0:52

What is the diffrence between Glass, Crystal and Lead Crystal

Chrismas Kitchen
260 回視聴 - 2 年前
2:07

Red Wine Glasses - Lead Free Crystal - Best Gift Glassware Collection by ROD Wine

RÖD Wine
7,187 回視聴 - 7 年前
10:42

Lead glass vs. Lead-free? Neon tubing comparison

NeonPreservation
1,925 回視聴 - 3 年前
19:27

Is It Glass or Crystal? Expert Tips for Identification

AntiquesArena
40,164 回視聴 - 4 年前
19:18

Crystal ENERGY! The Science, History & Uses! (Reuploaded)

Esoteric Luna - Ancient Knowledge for the New Age
139,555 回視聴 - 3 年前
0:38

What’s the difference between crystal and glass?

Health·WHYS
6,074 回視聴 - 5 年前
2:06

“economical” LEAD TEST (how it works) tonylab testing swabs…

Live Free
11,754 回視聴 - 2 年前
3:45

Lead in mexican glassware

Mexican Glassware
408 回視聴 - 7 年前
0:47

I Mined A Real Amethyst Crystal!

Claw Quest
5,066,231 回視聴 - 7 か月前
6:23

BPA Free Plastic: Why It Does NOT Protect You | Harvard Professor Joseph Allen

MedCram Clips
55,004 回視聴 - 3 年前
0:47

BANDS WITH A DARK HISTORY: Crystal Castles (Part 1/2)

katielitherland
490,465 回視聴 - 1 年前
8:31

Glass vs Crystal wine glasses

Bougie Black Brother Network
14,010 回視聴 - 8 年前