Technician a Says Toxic Dust Is Any Dust That Contains

Multiple Choice

Technician A says toxic dust is any dust that contains fine particles that could be harmful to humans or the environment. Technician B says that it is a good idea to avoid all dust if possible, whether it is classified as toxic or not. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B