prepare a simple handbook for workers work in laboratory which covered the followings: 1. Introduction to selected work activities (eg. Work in Laboratory). 2. Details explanation on any work flow involve based on the selected work activities (eg. Dissection of Rat). 3. Detail elaboration on the possible hazards and risk involve in the selected work flow. 4. Safety and health guidelines for workers to prevent an exposure to the possible hazards and risk involve in the selected work activities choosen