Over the next 150 years Londinium developed into a centre for trade and business, and also the administrative centre for the Roman-occupied areas in the rest of England. The new city included buildings like a basilica, an ampitheatre, temples to gods such as Mithas (a Persian deity), a forum and the Governorâs Palace.
AOV is simply an abreviation for Automatic Opening Vent. An AOV system is a control system designed to vent air or smoke for use in natural & smoke ventilation.
Aortic insufficiency. Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence the cardiac muscle is forced to work harder than normal.