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).
Hi i m not sure of Hydroxyz HCl but i know hydroxyzine hydrochloride or Hydrooxyzine HCl a minor tranquilizer. it is given to relieve anxiety, nervous tension, hyperkinesis, and motion sicknesses. it do not have side effects (not exactly).Decreased mental alertness is sometimes seen.i i m not sure of Hydroxyz HCl but i know hydroxyzine hydrochloride or Hydrooxyzine HCl a minor tranquilizer. it is given to relieve anxiety, nervous tension, hyperkinesis, and motion sicknesses. it do not have side effects (not exactly). Decreased mental alertness is sometimes seen.