Lasers will make you blind. In an instant. In the blink of an eye, quite literally.
NeverNever look into the beam or at any surface the beam might reflect off of
Never have the machine powered while the door is open.
You are responsible for your own safety.
Eyes can not be replaced.
If the machine does not come with a switch on the door that turns the laser off when the door is open. This is stupid and dangerous. Please install that switch.
If you leave your machine alone even for a few minutes, this can happen to you :
Lasers are dangerous
They can burn your house, and they can burn your eyes, be careful.