Question

Can we produce thin enough film so that we can eliminate MDO( Machine direction orientation) section and stretch the film only in transverse direction in bopp line?​

Answer 1

Answer:

the hard protective outer case of a mollusc or crustacean.

"cowrie shells"

Similar:

carapace

outside

exterior

armour

2.

an explosive artillery projectile or bomb.

"the sound of the shell passing over, followed by the explosion"