If ""yes,"" which of the following are they likely to come into contact in the course of work?
1. Diffusible hazardous material (hazardous material particles, steam or gas, etc.)
2. Dust and soot from other work activities that disperse significantly (powders, washing agents, etc.)
3. Chemicals that come into contact with skin or mouth (organic solvent, epoxies, etc.)
4. Hazardous radiation (x-rays, electromagnetism, etc.
5. Hazardous radiation, chemicals with carcinogenic properties, mutagenic properties, etc. (lead, asbestos, benzene, etc.)"