How to prevent the aluminum frame cutting machine from cutting your hands?

How to prevent the aluminum frame cutting machine from cutting your hands? First of all, you need to check whether there are any abnormalities in the various parts of the cutting machine before starting it. Secondly, you must carefully read the operating manual of the cutting machine and become familiar with it before starting it. In addition to the above two points, if conditions permit, try to choose an aluminum frame cutting machine with automatic feeding to avoid hand injuries.