美工刀的保养与使用注意事项 一、保养美工刀 1. 保持刀片清洁：每次使用完美工刀后，请用干净的布擦拭刀片及刀身，去除任何的残留物，以防锈蚀。 2. 妥善存放：不要将美工刀存放在潮湿的环境中，避免接触水或其他液体。应将美工刀存放在干燥、通风的地方，最好是有专门的工具箱或工具柜。

3. 定期磨刀：如果刀片变钝，应定期磨刀。磨刀时注意力度，避免损伤刀身。

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二、使用美工刀注意事项 1. 选择合适的刀片：根据使用需求选择合适的刀片。有些美工刀可以更换刀片，可以根据需求选择新的刀片。 2. 正确握持：握持美工刀时，应保持稳定的手势，用大拇指和食指控制刀片的运动方向。 3. 避免过度施力：在切割时，避免过度施力，否则可能会使刀片受损或导致手部受伤。 4. 注意切割方向：在切割时，应注意切割方向，避免反向用力导致刀片折断或损坏。 5. 避免切割硬物：美工刀并非万能的切割工具，对于一些硬物（如铁钉、玻璃等），请勿使用美工刀进行切割，以防止刀片断裂或受损。 Translation: Maintenance and Use Precautions for Utility Knife I. Maintenance of Utility Knife

1. Keep blade clean: After using the utility knife, use a clean cloth to wipe the blade and the body to remove any residue to prevent rusting.

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2. Proper storage: Do not store the utility knife in a damp environment or in contact with water or other liquids. The utility knife should be stored in a dry and ventilated place, with a dedicated toolbox or tool cabinet being ideal. 3. Regular blade sharpening: If the blade becomes dull, it should be sharpened regularly. Be careful when sharpening to avoid damaging the blade body. II. Precautions for using Utility Knife 1. Choose the right blade: Select a suitable blade based on the intended use. Some utility knives allow for blade replacement, so you can choose a new blade based on your needs. 2. Correct grip: Hold the utility knife steadily, using your thumb and forefinger to control the direction of the blade movement. 3. Avoid excessive force: Avoid applying excessive force during cutting to prevent damage to the blade or injury to the hand. 4. Pay attention to cutting direction: Be mindful of the cutting direction when cutting to avoid applying reverse force that could cause the blade to break or become damaged. 5. Avoid cutting hard objects: Utility knives are not versatile cutting tools and should not be used to cut hard objects like nails or glass, as this could cause the blade to break or become damaged. 以上内容仅供参考，如有需要请根据实际情况进行调整优化。