are containers that hold liquids, compressed gases or oils.
There are usually many environmental regulations applied to the design and operation
of storage tanks, often depending on the nature of the fluid contained within.
Storage tanks are available in many shapes: vertical and horizontal cylindrical.
In refineries and especially for liquid fuels, there are
fixed roof tanks, and floating roof tanks.
There is no single standard defining minimum
mandatory requirements governing design and
installation of obstruction lighting; on the other
hand the most common and widespread
regulations are ICAO's and FAA's.