the best material is wood or metal or clay
If you are talking about a cargo ship then the cargo is kept right on the deck of the boat.
Any material that will float, such as wood or plastic.
it is the cargo area. in a boat? ya know, dude.
It will vary on the engine of the boat. Including the cargo. How heavy the cargo is.
cargo
barge
a cargo boat or a cargo plane either one is correct if you have a test
A hold is a large vacant space below decks where the cargo is put in a boat.
Make a Submarine
Mainly local heavy cargo.
by boat
to lift and carry cargo from boat to land