There are various terms that could be used to refer to a protective device. Some of the relevant synonyms include; safety device, safeguard, security apparatus, protective gear, protective mechanism, shield, armor, barrier, defender, and buffer. The use of protective devices is essential in ensuring the safety and protection of individuals, property, and equipment. They could be installed in homes, vehicles, workplaces, hospitals, schools, and other public spaces to mitigate the risk of accidents, injuries, or damage. Protective devices are designed to provide a shield against external threats, including intruders, fire, smoke, radiation, and hazardous substances. Overall, protective devices are crucial in promoting a safe and secure environment.