Reefer Vessels: Reefer vessels carry goods that need to be frozen or temperature controlled. They commonly carry things like produce, meat, and fish.
Reefer Ships differ from conventional cargo ships in their design and power generation and electrical distribution equipment
The Hull is divided by bulkheads and tween decks into many compartment to control each compartment temperature
Each compartment is totally insulated at all sides
The hatch opening is small to keep temperature loss to the minimum