Instruments & RegulatoryCâu 85 / 100
Safety frames and lenses that meet the high-impact standard are marked with what?
a.FDA
b.Z80
c.Z87+ (the plus indicating high impact)
d.AR
Giải thích
Under ANSI Z87.1, high-impact-rated safety eyewear is marked 'Z87+', where the plus sign denotes passing the high-velocity and high-mass impact tests; basic-impact eyewear is marked 'Z87' without the plus.
Trích dẫn luật: ANSI Z80Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- The FDA drop-ball test for impact resistance drops what onto the lens?
- ANSI Z80.1 is the American National Standard that specifies what?
- Occupational and safety eyewear in the U.S. is governed by which standard?
- Under HIPAA, a patient's prescription and health information must be handled how?
- A distometer is used to measure what?
- Professional ethics require an optician who discovers a possible prescription error to do what?
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