The Thai national rail It is a task that requires a policy response in order to develop. Expand and link the network to transport passengers and goods and thus proposed a rail improvement in different stages, and has already succeeded in several stages, 120 km per hour, and the weight on the axle up to 20 tons, according to the new standard is to change lanes, larger. Change the pillow pillow pillow from a wooden cross supports prestressed concrete. To strength and safety bus
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