____ Is Formed When Ultraviolet Radiation Decomposes Chlorinated Hydrocarbon

Q25: _ light is dangerous because the welder

Q26: A(n) _ will prevent an accidental separation

Q27: What are the two most common areas

Q28: Acetylene is absorbed in _.

Q29: List special protective clothing made of leather

Q31: Light that bounces off of a wall

Q32: Why is it dangerous to weld or

Q33: What is the most severe degree of

Q34: When a grinding stone wears down, keep

Q35: _ is a metal used in large