Final answer:
Optional safety equipment for a vehicle can include emergency items like phone numbers and tire chains, and knowing the location of safety equipment in labs, such as fire extinguishers and eyewash stations, is also vital.
Step-by-step explanation:
Optional safety equipment for a vehicle may include items for emergency preparedness such as emergency phone numbers, tire chains, and other resources that can ensure safety and readiness in unpredictable situations. When discussing safety equipment in various contexts, it's essential to know the location of specific equipment, like a fire extinguisher or an eyewash station, particularly within a laboratory setting.
While not specifically asked in this case, it is also vital to observe proper safety protocols, such as wearing appropriate clothing and maintaining personal hygiene, to minimize safety risks. Optional safety equipment that may be included alongside emergency phone numbers and tire chains is a fire extinguisher. A fire extinguisher is an important safety device that can be used to control small fires. It is designed to expel a substance that can suppress and extinguish flames.