Focusing on the characteristics of processing and equipment in general paper-making factory,this article analyzed the dangerous and harmful factors of papermaking industry,and put forward corresponding safe measures and suggestions.

occur- ring accidents during tunnel construction,the author expatiates on the identification,evaluation and risk control of the dangers and hazardous factors,as well as on the methods and functions of safety control of working groups.

Quality control in detection of hazardous factors in workplaces is discussed from real life work around the control point of quality management sys- tems.

However,in the legal system and standards for work safety in China,there are also some different descriptions for accident causation factor,such as "dangerous factor","hazardous factor","unsafe factor" and "accident perils".

Identification and analysis of harmful factors leading to danger of woodworking machinery are made,with basic requirements ensuring woodworking machinery safety,which lays a theoretical foundation for making emergency rescue preplan for wood processing enterprises.

To master the content values of poisonous and harmful elements among imported iron ores from different countries, 132 batches of iron ores imported through Shenzhen Port were analyzed.