Authored by United States Citizenship and Immigration Services Access this resource here English > https://www.uscis.gov/sites/default/files/USCIS/Resources/B3en.pdf Spanish > https://www.uscis.gov/sites/default/files/files/article/B3esp.pdf Chinese > https://www.uscis.gov/sites/default/files/USCIS/Resources/How%20Do%20… Energy Level 174
