From the past to the present, the society has changed itself in many areas, when when 50 กว่าปีที่แล้ว Bangkok was a rail, a transit system before. And the first country in Asia, but the process is not continuous.Important trends up a car that can run faster than better than when using the runway on the road the same. The tram system has become obsolete and bulky. They have become the past, trams ran very slowly.45 km./ hours. Different from the Metro BTS nowadays that runs at speeds up to 80 km / hr.Because of the technology in those days there was no progress, the rail system that use area on the street. It can not fulfill faster. Because of the danger, not like the current system, with separate rail system is strictly prohibited.The present station and BTS also played a role in the mass transit more than originally because the system is convenient, quick, but also when the disadvantages in the construction budget is expensive. Including design construction garage.And the dispatcher. Which is different from the work of ordinary train general
.In the past, there is a use of communication cable communication called Morse code. Morse code to signal only two characteristics is the only short and long, which will be replaced.With - (point to tick) and brought a dot code with this limit are mixed together, set. Signal code telegram of various characters. Later because of communication with the telegraph difficult and requires an expert is greatly.And it came to pass, when scientists were able to convert speech into an electrical signal. The invention of telephone up which has advantages of the communication distance quickly send a message, taking pictures. Log on Internet.In the past, women dress dress is unique in that the fabric which is made from silk, hand woven cloth, utilized for women).The dress of the people at present. Influences from both East and West, but later here. Culture of Korea and Japan are more popular.
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