Mechanician, also known as a mechanic or a technician, are professionals who fix and/or operate machinery. Other synonyms for this word include auto mechanic, machinery mechanic, and machine repairer. Additionally, those who specialize in specific types of machinery may be referred to as diesel mechanics, aircraft mechanics, or marine mechanics. The term "technologist" may also be used for those who are highly skilled in the operation and maintenance of complex machinery, particularly in industrial settings. Regardless of the particular synonym used, all of these professionals play a crucial role in ensuring that various types of machinery remain in optimal working condition.