adequate supervision of product temperatures at the moment of loading;
• effective stowage of the load in the vehicle or the container to protect the cargo against heat entering
from outside;
• efficient operation of the refrigerating unit during transit, including the correct thermostat setting;
• an appropriate method of unloading at the points of arrival (particularly the frequency and duration
of door openings);
• proper maintenance of the insulated body and the refrigeration system; and
• proper cleaning of the vehicle or container.