Containers that move through a container port are involved in four basic port activities:
A.
(1) checking, (2) loading/unloading, (3) staging, and (4) storage.
B.
(1) receiving, (2) loading/unloading, (3) staging, and (4) storage.
C.
(1) unloading, (2) staging, (3) loading, and (4) shipping.
D.
(1) unloading, (2) staging, (3) loading, and (4) checking,.