When you buy most fruits and vegetables in a supermarket, you might see that they're individually tagged with a sticker and a bar code. There's a lot of information in that four-digit code!
from HowStuffWorks - Learn How Everything Works! https://ift.tt/3GqOerw
Thursday, January 13, 2022
Subscribe to:
Post Comments
(
Atom
)
No comments :
Post a Comment