有些展览会考虑安全，会限制操作机器。
Some exhibitions to consider safety and limit the operation of the machine.
本次展览会可谓是中国煤炭开采、设备采购、安全生产技术交流空前隆重的盛会。
This exhibition is a grand event for China's coal mining industry, equipment procurement and technical exchanges of safe production.
土尔其电器，电子自动化，安全及电信展览会。
Exhibition for Electrics, Electronics, Automation, Security and Telecommunications.
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