The duration of contact between the alumina and the hot gases-is extremely small: it may vary from a fraction of a second to several seconds. In a fraction of a second, the trihydrate particle is raised to a high temperature and is dehydrated more or less intensively according to the temperature of the gas.
A wall outlet is a wall-mounted electrical receptacle that provides a point for consumers to plug in various electronic items. Wall outlets provide flexible access to electricity for use with a wide variety of components. Some come with special features designed for specific applications, like devices used in wet environments.
Figure 2 - Electrical outlet spacing in a room. On the wall that is 11 feet long, without the door, the code requires 1 electrical receptacle (outlet) as that receptacle (outlet) is no more than 6 feet from either perpendicular wall. On the opposite wall there is a doorway in the center of the wall.