The filament in a light bulb is housed in a sealed, oxygen-free chamber to prevent combustion. In the first light bulbs, all the air was sucked out of the bulb to create a near vacuum -- an area with no matter in it. Since there wasn't any gaseous matter present (or hardly any), the material could not combust.
Sertraline is used for a number of conditions including: major depression, obsessive-compulsive disorder (OCD), body dysmorphic disorder (BDD), posttraumatic stress disorder (PTSD), premenstrual dysphoric disorder (PMDD), panic disorder and social phobia (social anxiety disorder).
Sertaline is an antidepressant which is used for the treatment of depression, panic attacks, obsessive compulsive disorder, post traumatic stress disorder, premenstrual disorder, and social anxiety disorder.ide effects include dry mouth, headache, dizziness, tremors, rash, somnolence, constipation, gastrointestinal disorders, and problems with ejaculation in males.