Which of the following statements is true regarding the use of templates in aerospace production?

The statement that templates help in tracing outlines effectively is true because templates are specifically designed to provide a guide or pattern for shaping or assembling parts. In aerospace production, templates assist in ensuring that components are accurately aligned and shaped according to specified designs, making the production process more consistent and reliable.

Using templates allows mechanics to replicate complex shapes and outlines without needing to rely solely on measurements each time, which increases efficiency and reduces the likelihood of errors. This is particularly important in aerospace, where precision is critical for the safety and performance of the aircraft.

The other statements do not align with the practical applications of templates in aerospace assembly. While jigs indeed offer more precision for holding parts during assembly, templates serve a different purpose primarily related to outlining and guiding. Additionally, templates are utilized in various stages of production, not just in finishing processes, and are often essential in assembly to ensure parts fit together correctly.