An automobile is basically regarded as a vehicle having wheels and carrying its own engine. The previous names given to an automobile were "horseless carriage" and "motor car" where motor was to denote an engine. The behaviour or making an automobile work is entitled as driving. Every automobile consists of a seat for driver and at least another seat for the passenger (http://business.mytopix.com/automobile/).
Mainly automobiles are designed for travelling on roads but there are some automobiles which permit people to drive "off-road." Basically an automobile is made up of "internal combustion engine" but as years passed, "hybrid cars powered by gas-electric hybrid engines" penetrate the market. A typical automobile consists of four wheels, though three-wheeled automobiles were also made but did not gain much popularity due to constancy purpose (http://business.mytopix.com/automobile/).
"Steam-powered self propelled vehicles were devised in the late 18th century. Nicolas-Joseph Cugnot successfully demonstrated such a vehicle as early as 1769. The first vehicles were steam engine powered, and then electric vehicles were produced by a small number of manufacturers. In the 1890s, ethanol was the first fuel used by cars in the U.S. In 1919, alcohol Prohibition destroyed corn-alcohol stills which many farmers used to make low cost ethanol fuel. Later on gasoline and diesel engines were implemented." (http://business.mytopix.com/automobile/)
the United States but also the first "amphibious vehicle." It was called amphibious vehicle because it could be operated on wheels on land and with a paddle in the water.
Amongst the initial environmental modernizations were the substitute fuels for the "internal combustion engine." Nowadays, "methanol and ethanol are used as petrol extenders" in several countries, mainly in Australia and United States. Every year more than a million people die in automobile accidents and around 50 million people get injured in such accidents. There are several chief reasons of these accidents, including "inattentive driving, reckless driving, road hazards etc." Even after skilled progresses, the deaths occurring as a result of automobile accidents are still high. Around 40,000 people die every year in United States as a result of such accidents, and the number of deaths keeps increasing year by year (http://business.mytopix.com/automobile/).
Brief Introduction on Telecommunication
Telecommunication is the "transmission of signals" above a distance for the intention of "communication."
These days, this procedure includes propelling "electromagnetic waves by electronic transmitters", whereas during previous days, this procedure comprised of using "smoke signals, drums or semaphores." Telecommunication has gained much popularity nowadays and devices enhancing this procedure are television, radio and telephone. Computer communication is also done on internet through e-mail and instant messaging, setting up examples of telecommunication. The fundamental factors of a telecommunication are:
"A transmitter that takes information and concerts it to a signal for transmission."
"A transmission medium over which the signal is transmitted."
"A receiver that receives and converts the signal