Based on the investigation and statistics of bird-caused damages occurred on overhead transmission lines belonging to State Grid Corporation of China from 2004 to 2006,the damages are classified and the reasons leading to trip-out due to bird-caused damages are analyzed and researched.

<Abstrcat> The psychology intervening in calamity accident rescue refers to a series of psychology activity that the party go on while meeting the disaster accident.

In this paper, the calamity accident forecast problem for textile factories is discussed, through analysing the influential factors of calamity accident, relerant AHP structure model is established, the practical new nethod of calamity accident forecast is presented,and applied example is introduced.

Discussion on the definition of injury accidents in campus and the juristic relationship between pupil and school;

On the responsibility for injury accidents in physical education;

Administrative sanction against injury accidents happened during PE-teaching