What is included in the additional items for internal maintenance of portable extinguishers?

The inclusion of spare parts for respective manufacturers is essential for the internal maintenance of portable extinguishers because these parts ensure that the equipment maintains its operational integrity. Regular maintenance is crucial for safety compliance and functionality. Utilizing spare parts that are specific to the manufacturer guarantees that repairs or replacements meet the original specifications and standards, thereby preserving the extinguisher's performance in emergency situations.

While items like fire extinguisher cleaning wipes and documentation of previous maintenance may have positive roles in the overall maintenance process, they do not directly address the need for essential functional parts that keep the extinguisher in serviceable condition. Expensive industrial cleaning agents are unnecessary and may not serve a specific purpose in maintenance at the operational level. Therefore, focusing on manufacturer-specific spare parts links directly to maintaining the reliability and effectiveness of the fire extinguishers.