What all Tax can be exempted for f1 Student on OPT in NJ

Hi,

 

I am a Student currently on A F1 OPT status and being working for a company on W2 role as a contractor. I would like to know which tax I am exempted from in NJ state as my employer are withholding the taxes in following category
1. NJ - WF/SWF Employee,

2. NJ - Family Leave Insurance,

3. Federal Withholding,

4. Social Security Employee,

5. Medicare Employee,

6. NJ - Withholding,

7. NJ - Disability Employee,

8. NJ - Unemployment Employee