How w a n t s t o do a z o o m

Which of the following refers to treating all patients or first aid victims as a potential source of bloodborne pathogens by taking all precautions to prevent contamination?

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor

Working to improve the working conduit a factory is an example of