أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
I do not know
I agree with answer added by Nishant Desai
Phantoms are items produced in the manufacturing process and thus are definable parent items, but they are not typically stocked. Instead, they physically remain in the manufacturing process and are quickly consumed as components in their next higher level item.
I do not have any idea for this