English to Chinese Tech/Engineering Nuclear Eng/Sci

是关于一个铀生产设施的各种工作流程，其中重点是安全方面。下面是一些含 roll up 这个词的语句。

Identify roll up and understand why it is a concern.

Determine if roll up is credible in a particular area using the question that identify roll up. Once roll up is determined, use the DOE Characterization of Nuclear Material Chart to determine what attractiveness and category the material rolls up to.

Using the guideline questions for roll up credibility, determine what amount of roll-up there is for your facility/areas.

Using the DOE Categorization of Material Chart, determine what category the material rolls up to.

1. Each group will present their findings to the group explaining how they determined the level of roll up.
2. Each group will explain what category they assigned to the roll up material.

谢谢！Any explanations/definitions in English would also be appreciated. TIA!