Answer;
B. Placing used needles in a sharps container.
Explanation;
-Engineering controls are practices which would lessen if not eliminate the exposure of a human being to chemical and other physical hazards by using or substitution of engineered machinery or tools.
-Engineering controls are methods that are built into the design of a plant, equipment or process to minimize the hazard. Engineering controls are a very reliable way to control worker exposures as long as the controls are designed, used and maintained properly. The basic types of engineering controls are:
process control, enclosure and/or isolation of emission source, ventilation.
