Potentially hazardous foods on their way for delivery to your establishment must be kept at what temperature?

The temperature at which food is kept is very important, because is it a factor that controls the growth of disease-causing bacteria in food. Potentially hazardous food is food from an animal origin that is raw or heat-treated, or from a plant origin that is heat-treated, some vegetables and fruits. These potentially hazardous foods must be kept at temperature outside the temperature danger zone. The temperature danger zone is between 41°F and 140°F. The potentially hazardous foods must pass through the temperature danger zone as quickly as possible.T. 

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.