Secret of CD / Structure of CD / CD Production Process / CD Science / why CD surfaces shine / CD

Hello, This is TAEBBULI
As I said in the CD player introduction video,
It is a story about the secret, structure,
and production process of CDs.
#CD
The secret of #CD.
#CDSecret.
#CD structure.
#CD Production Process.
#CD process.

[@영-p9q]

나때는 커터칼로 매끈하게 다 긁어내고 라이터로 지져서 풍선 만들고 했는데

[@김봉수-w5j]

Lp만드는광과또갓네요