FireChat may catch on as a way to corral revelers, but that's just the beginning of its practical applications. For political organizers, it could become a critically important way to keep protesters and activists connected when their traditional forms of communicating get cut off.
Desiccators are sealable enclosures containing desiccants used for preserving moisture-sensitive items such as cobalt chloride paper for another use. A common use for desiccators is to protect chemicals which are hygroscopic or which react with water from humidity.
Associated with each LOB is a locator. A locator is a pointer to the actual location of the LOB value. The locator associated with internal LOBs is called a LOB locator, while the locator associated with external LOBs is called a BFILE locator. When you store data in a LOB column, you also store a LOB locator with it.