Which of the following is NOT a recommended practice for maintaining machine tools?

Using outdated techniques is not a recommended practice for maintaining machine tools because it can lead to inefficiencies, increased wear and tear, and potential safety hazards. Machine tools benefit from modern practices that promote precision, efficiency, and safety. Regular inspection helps identify issues before they become serious problems, while keeping tools clean prevents contamination and damage. Proper lubrication is essential for reducing friction, heat, and wear, ensuring that machine tools operate smoothly and last longer. Therefore, adhering to contemporary maintenance methods is crucial for optimal performance and longevity of the equipment.