Not a semi-trailer, it is a 40ft shipping container. They normally don't have plywood on the sides so that could indicate it has isulation behind the plywood?
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That is a people container.
Paint it baby blue and my grandpa will buy a dozen of them!
Exactly: A land and sea box. . . a shipping container. One that can be taken directly off a ship (the sea portion) and loaded onto a semi-truck trailer rig (the land portion) for further transport. The often have plywood lining or even padding for protection of the contents, depending on what they are carrying. Some are refrigerated and would definitely be insulated.
Thanks for finding that photo. . . but it also proves that it would not be a shipment from Apple, unless it is computers, as Apple doesn't ship small devices via ocean transport, but rather flies them by cargo plane.
These shipping containers are not well sealed. . . and one storm could water damage the contents. Also Apple is a "just in time" inventory management company. They want inventory delivered rapidly, not at the vagaries of an ocean voyage and seaport shipping.