Question

what are the three main types of control measures? a engineering, administrative and personal protective equipment (ppe) b physical barriers, surveillance and alarms c code of conduct, locks and gloves d sensors, metal detectors and respirators

Explanation:

The three main types of control measures in safety/security contexts are Engineering (physical changes to the environment), Administrative (procedures, training), and Personal Protective Equipment (PPE, like gloves, masks). Option A lists these three categories. Option B has only physical security elements, Option C mixes unrelated items, Option D has specific devices not the main categories.

Answer:

A. Engineering, Administrative and Personal Protective Equipment (PPE)