การดู
1:50
Know Your Plastics | GOOD
6:37
Plastic Resin Identification Code-Plastic Recycling Process-Injection Molding
1:51
Plastic Identification Codes, Uses and Recycling Possibilities
5:47
Resin Identification Code (Plastic Recycling Code)
3:01
Recycling Symbol EPISODE 7: Other plastic materials
4:05
Waipak: Plastic number codes and names 🧠
5:45
Plastic Codes - Useful Info
1:06
Deciphering the Mystery: What are those Numbers on Plastic Containers?
