Here are some examples of the use of the word transmission: The transmission of germs world wide gives the World Health Organization and the Communicable Disease Center grief. The Jet Age has spread disease fast through the transmission germs on the airplanes, in the airports, and in the communities world wide. Cellular phones transmit microwaves (UHF) to a microwave towers. This transmission can be dangerous to the health of cellular users who are on their cell phones for hours on end. My transmission in my car is slipping and they want too much money to repair it. Communication is the transmission of ideas, messages, directions, revelations and declarations.
Sound Transmission can come in many forms and varies based on the specific frequencies of the sound being transmitted from low to high frequencies. There are many factors which can influence sound transmission, such as type of flooring and other construction materials.
There were two planes at different times the same day, September 11, 2001. The planes did not fall on the towers. They were deliberatley flown into the towers by Muslim extremists and they were ordered to do so by Osama Bin Laden.
Aeroplanes
I don't see any in this view. I guess it used water from a river for cooling. It is all shutdown now, so the cooling towers if they ever existed could have been demolished, but I don't remember seeing any in early photos at the time of the disaster.
Electrical transmission towers are meant to hold the power lines and to carry electricity.
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In exactly the same way as any transmission towers -one end of the line is connected to the step-up transformers in the power station.
the us did NOT MAKE THE TWIN TOWERS CALLAPSE
The CTIA said that in 2006 there were 175,000 and the number was expected to grow to 260,000 in 2010. Here is a list of the current installed towers http://www.cellreception.com/towers/
The towers themselves are built by many companies, but one of the largest in America is American Tower (NYSE:AMT). The antennas and other parts are made by companies such as Nortel and Ericsson.
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Yes. Almost all electrical transmission systems have a ground wire as the topmost conductor. You can usually see it above the 3 phase conductors. It does not form part of the transmission system, rather it is there for lightning protection. The towers themselves are grounded too.
a resistor
All a.c. transmission systems are three-phase systems, which comprise three line conductors which are suspended from towers. Each 'line' is generally made up of a number of 'bundled' conductors -according to the transmission voltage- to reduce the electrical stress. Many transmission towers carry two separate three-phase circuits, one on each side of the tower.
Electrical transmission towers are what holds power lines up. These towers are made of steel and have an openwork lattice design.