Why glass is transparant

naveendavisv (38)in #education • 8 years ago

#steemit #science #life #blog

8 years ago in #education by naveendavisv (38)

$0.00

Sort:

ganeshraj225 (28) 8 years ago

hi frd..
i will upvote ur posts..
donot forget to upvote my posts

$0.00