When your copra is dry, you remove it from the shells.
Source: Joy 17W 169-170
Related entries
See also:
kapa2lift and remove something (for example a stone from the ground, the shell from a turtle when butchering it, or the lid of a pot); skin (a manioc); the sheath of the wild banana
takapa kahipeel off by itself from something; open by itself and make something visible