BAS is mainly used in commercial HVAC control systems and energy management system applications. Building Automation itself is an energy management system which saves management companies and building owners by efficiently controlling air conditioning and heating comfort and process systems.
Others symptoms of ovarian cancer can include: 1  Fatigue. 2  Upset stomach. 3  Back pain.  Pain during 1  sex. Constipation.  Menstrual 1  changes. Abdominal swelling with weight  loss.
Ovarian cancer may cause one or more of these signs and symptomsâ. 1  Vaginal bleeding or discharge from your vagina that is not normal for you. 2  Pain in the pelvic or abdominal area (the area below your stomach and between your hip bones). 3  Back pain.