What type of measure is often used in risk reduction?

The correct response highlights the use of physical barriers as a proactive and effective measure in risk reduction. Implementing physical barriers is a tangible method to eliminate or mitigate potential hazards, thus significantly reducing the likelihood of risk materializing. For instance, constructing guardrails, implementing secure fencing, or installing safety equipment can prevent accidents and injuries in environments where hazards are present.

Physical barriers act as a first line of defense against risks by creating a physical separation between individuals and potential dangers, which makes them a vital component of a comprehensive risk management strategy. Unlike increased insurance coverage, which merely shifts financial risk without eliminating the hazard itself, or annual risk assessments that evaluate risks but do not actively reduce them, physical barriers provide an immediate means of protection. Ignoring risks altogether is contrary to effective risk management principles, as it fails to acknowledge or address the potential for harm.