What the lab lasers are made for?

[trueHOUSE]

i wondered what r u using them for or what are they made for ? and can the 100mw from dx really burn ?

 

[MarioMaster]

lab lasers are used in applications where you want 100% duty cycle and don't want to be running on batteries, lab lasers are used in laser scanners since they are usually on too long for a pointer to be used