Final answer:
Eye protection, specifically goggles, is emphasized as an essential part of PPE when firing smoke grenades from a tank, and there may be additional PPE needed to protect against burns or inhalation risks.
Step-by-step explanation:
When operating a tank and firing smoke grenades, it is imperative to consider the appropriate level of Personal Protective Equipment (PPE) required for safety. The PPE level can vary depending on the specific safety protocols and equipment available. However, provided information strongly suggests the necessity of eye protection in the form of goggles in any experimental laboratory settings, which also apply to situations that involve potential exposure to smoke or chemical substances, such as when firing smoke grenades.
Furthermore, the cautionary advice to be careful with matches and flames indicates that there are fire risks involved, further underscoring the importance of eye protection and perhaps additional PPE to protect against burns or inhalation risks. While specific PPE requirements for firing smoke grenades from a tank should follow the guidelines provided by the military or the organization in charge of the operation, at a minimum, goggles seem to be a critical component of the necessary safety equipment.
It is important to follow the guidelines and recommendations provided by the manufacturer of the smoke grenades and any applicable safety regulations to determine the appropriate PPE level required for firing smoke grenades from a tank.