Running in the laboratory, Eating in the laboratory, Throwing broken glass into a normal rubbish bin, Sitting while conducting an experiment, Using a Bunsen burner without tying back hair, Conducting an experiment with a cluttered laboratory bench, Carrying chemicals around the laboratory, Conducting an experiment without wearing safety glasses, Leaving experimental equipment unattended, Pointing the opening of a test tube at another student.

Identifying Hazards in the Laboratory

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?