On the other hand, automation replaces the human involvement with the use of logical programming commands and powerful machineries. Industrial Automation is the replacement with computers and machines to that of human thinking. The word Automation gives the meaning ' self dictating ' or 'a mechanism move by itself ' that derived from the Greek words Auto and Matos where auto means self while Matos means moving. In a brief, industrial automation can be defined as the use of set technologies and automatic control devices that results the automatic operation and control of industrial processes without significant human intervention and achieving superior performance than manual control. These automation devices include PLCs, PCs, PACs, etc. and technologies include various industrial communication systems. The above figure shows the power plant automation provided by Siemens for achieving sustainable, safe and economic operations. It provides the total integrated automation (TIA) by automating every section of power plant with efficient control devices, field sensors and actuating devices.
The men always left a little room for the smoke to get out. The Plains people used little furniture. They slept on buffalo skins on the floor of their homes. Tepee Etiquette: If the entrance flap was open, it was an invitation to enter. If the flap was closed, you needed to announce yourself and wait for an invitation to enter a tepee, even if you lived there. A guest always sat to the left of the head of the family, who always sat the farthest from the door flap. These were rules that everyone knew and everyone followed. Native American Homes in Olden Times Longhouses Teepees Wigwams Hogans Wickiups Chickees Earth Homes Adobe Pueblo Northwest Plank Houses Igloos Homes Index Plains Indians Index Links for Kids Play Games Free Clip Art Return to Native Americans in Olden Times Native Americans for Kids Native Americans in US, Canada, and the Far North Early people of North America (during the ice age 40, 000 years ago) Northeast Woodland Tribes and Nations - The Northeast Woodlands include all five great lakes as well as the Finger Lakes and the Saint Lawrence River.
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