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.
In its earliest stages, ovarian cancer can cause no symptoms at all or only mild symptoms that may be attributed to another illness. But when symptoms are present, abdominal pain and pelvic pain are at the top of the list. Ovarian cancer pain may also extend into the back and even down into the legs.