If the equipment is going to be based off of the same ceiling level, then you should use the same Reference Plane (or Level) to host them both. As I mentioned previously, Ducts must be associated with a Level, not a Reference Plane.
River Itchen. The River Itchen is a beautiful chalk stream which flows for approximately 28 miles from mid-Hampshire to Southampton.he source of the Itchen is situated in Cheriton, near Alresford, and flows down to the historic city of Winchester passing through nature reserve Winnall Moors, and Winchester City Mill.
Chichen Itza is the second most popular site for visitors to Mexico. It is considered to be one of the Seven Wonders of the New World. Located on the Yucatan Peninsula, Chichen Itza was a large city built by the Maya people. It thrived from about 600 AD., until 1221, when the power in the region shifted to Mayapan.t's also thought that the Maya did no use the wheel to build any of their temples, pyramids or palaces. Some of the most famous buildings in Chichen Itza that have survived include: The Warrior's Temple, El Castillo, and The Great Ball Court. Chichen Itza is considered to be one the Seven Wonders of the New World.