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).
COMING SOON. Trazodone HCL (Hydrochloride) is also known as DESYREL (pronounced DES-ee-rel). It is commonly prescribed for the treatment of depression. Trazodone is also used to reduce the symptoms of agoraphobia, drug induced insomnia, essential tremor, repetitive screaming, and some pain syndromes.razodone HCL (Hydrochloride) is also known as DESYREL (pronounced DES-ee-rel). It is commonly prescribed for the treatment of depression.