The analysis and treatment of the hidden trouble of equipment of No.11 unit for the Fengman Hydropower Plant during its initial operation period;

Security hidden dangers and preventive measures in Railway Management Information System;

Quality hidden danger and prevention of the reinforced concrete frame structure

It is very important for security of coal mine to analyze the reasons and hidden danger about this condition,and bring up strategy for the exploitery which base on the present resources.

Simple analysis on the relation of safety,hazard,hidden trouble and accident;

Control on Keeping Away Inner Artificial Hidden Trouble Against Security of His;

Earth-stone dam hidden trouble analysis and application of the HT detecting technology in Shenzhen;

Contracting single shaft is a serious hidden peril of accidents;

Ezhuangcolliery in producing,to hidden peril of archives information,to hidden peril of deal with,explicit of liability,practicable and inspect to arrive,bonus-penalty of liability,Iidden peril dispel and recovery without delay,lay the foundations of colliery's producing.