Which of the following is a primary type of materiel resource?

The primary type of materiel resource is important because it directly relates to the core functions of managing and maintaining the operational effectiveness of an organization, especially in a logistical or military context. Repair parts are classified as a primary type because they are essential for maintaining and restoring equipment to ensure that operations can continue smoothly. They play a critical role in minimizing downtime and maximizing the readiness of equipment, which is vital in both military and civilian operations.

Other options, while relevant to resource management, do not serve as the primary type of materiel resource in the same way that repair parts do. For instance, office supplies are more ancillary and support administrative functions, while transportation equipment, although important for moving goods and personnel, is not as directly linked to the maintenance of operational readiness. Human resources, while crucial for any operation, fall under the category of personnel management rather than materiel resources, which focus on tangible items needed for operational effectiveness. Thus, repair parts stand out as a crucial component of materiel resources, directly impacting an organization’s capability to operate effectively.