This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cold Chain in India, Subject name: Social & Preventive Medicine
All of the following are used for the transpoation of vaccines except : 
Select and explain. 
A. Vaccine van, B. Cold box, C. Vaccine carriers, D. ILR
D: ILR
Answer: D: ILR 
Explanation: ILR is pa of electrical storage equipment Transpoation : Refrigerator vaccine van Insulated vaccine van Cold box Vaccine carrier