LACK OF FUSION. Lack of fusion is the failure of a welding process to fuse together layers of weld metal or weld metal and base metal. The weld metal just rolls over the plate surfaces. This is generally referred to as overlap. Lack of fusion is caused by the following conditions:
These meetings can help teachers stay informed about what is going on at school and help students feel safe and supported. These meetings work best in classrooms where a culture of respect is already established. Classroom meetings are typically short and held on a regular schedule.
The first step in preventing school violence is to understand the extent and nature of the problem. The Centers for Disease Control and Prevention (CDC), the U.S. Department of Education, and the U.S. Department of Justice gather and analyze data from a variety of sources to gain a more complete understanding of school violence.