This document provides materials for writing a cover letter for a diesel mechanic position, including two sample cover letters, tips for writing an effective cover letter, resume samples, interview questions, and other job application resources. Sample Cover Letter 1 emphasizes the sender's recent training and specialized skills in diesel vehicles. Sample Cover Letter 2 highlights the sender's diagnostic abilities, maintenance experience, and ability to maintain a safe work environment. Both letters express interest in the position and request to schedule an interview.