The answer is "<span>Entasis". </span>
Answer:
The Romans constructed aqueducts throughout their Republic and later Empire, to bring water from outside sources into cities and towns. ... Aqueducts moved water through gravity alone, along a slight overall downward gradient within conduits of stone, brick, or concrete; the steeper the gradient, the faster the flow.
Hot and Cold Holding of Potentially Hazardous Foods. Food must be held at 41 degrees Fahrenheit or less before the food is removed from the temperature control. Label the food upon receipt with the time it must be discarded. The discard time is six four hours after the food has been removed from the temperature control.
