Final answer:
Maintenance personnel must have detailed information about replacement materials and spare parts, including specifications, compatibility, suppliers, cost, and warranties.
Step-by-step explanation:
Maintenance personnel must know detailed information regarding replacement materials and spare parts.
For example, they need to know the specifications and compatibility of the replacement materials or spare parts with the existing systems or equipment. They should also have knowledge about suppliers, availability, and cost of these materials and parts.
Being aware of any warranties or guarantees associated with the replacement materials or parts is important as well, as it may impact the decision-making process.