Which is true toxic substance?
A. Hazardous to human health
B. A fixture drain for a laboratory
C. Not hazardous to human health
D. Bedpan washer and sterilizer drain
Answer:A
Which is true toxic substance?
A. Hazardous to human health B. A fixture drain for a laboratory C. Not hazardous to human health D. Bedpan washer and sterilizer drain