Which of measures is not correct when using hand-held power tools

It seems like you're asking about incorrect measures when using hand-held power tools. Here are some common mistakes that people might make when using hand-held power tools, which are not correct measures and can lead to safety hazards or ineffective operation:

1. Not Using Personal Protective Equipment (PPE): Failing to wear appropriate personal protective equipment, such as safety glasses, gloves, hearing protection, and dust masks, can expose you to potential hazards.

2. Ignoring Manufacturer's Instructions: Disregarding the manufacturer's guidelines, safety instructions, and recommended operating procedures can lead to accidents and damage to the tool.

3. Using Damaged Tools: Using power tools with damaged cords, switches, or components can be dangerous. Damaged tools should be repaired or replaced before use.

4. Incorrect Tool for the Job: Using a power tool that is not designed for the specific task can result in poor performance, damage to the tool, and increased safety risks.

5. Improper Body Positioning: Not maintaining a stable and balanced stance while using the tool can lead to loss of control and accidents. Incorrect posture can also cause strain and discomfort.

6. Not Securing Workpieces: Failing to secure the workpiece properly can lead to it shifting or moving during operation, potentially causing accidents.

7. Working in Poor Lighting: Inadequate lighting can lead to mistakes, poor visibility of the work area, and increased chances of accidents.

8. Bypassing Safety Features: Disabling or bypassing safety features, such as guards and safety locks, increases the risk of accidents and injuries.

9. Overexertion: Pushing a power tool too hard or using excessive force can lead to poor results, reduced tool life, and fatigue.

10. Using Damaged Accessories: Using worn or damaged accessories like cutting blades or sanding discs can lead to poor performance and potential hazards.

11. Not Maintaining Tools: Neglecting regular maintenance, such as cleaning, lubrication, and blade changes, can impact the tool's efficiency and safety.

12. Distractions: Using power tools while distracted or not fully focused on the task can lead to accidents and errors.

13. Not Disconnecting Power: Failing to unplug or remove the battery from the power tool before making adjustments or changing accessories can lead to accidental activation.

It's important to prioritize safety when using power tools. Always follow proper operating procedures, wear appropriate safety gear, and be aware of your surroundings. If you're unsure about how to use a specific power tool correctly, consult the manufacturer's instructions or seek guidance from experienced users.