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.
Other symptoms are also possiblewith ovarian cancer. But these symptoms are also common in women who do not have cancer: 1  Abnormal menstrual cycles. 2  Digestive symptoms: 3  Constipation. 4  Increased gas. 5  Indigestion. 6  Lack of appetite. 7  Nausea and vomiting. 8  Back pain for unknown reasons that worsens over time. 9  Vaginal bleeding that occurs between periods. 10  Weight gain or loss.