'Twas the Light Before Christmas (yes, pun intended!)
St Laser whistled and shouted and called them by name:
"Now, Argon! Now, CO2! Now, Excimer and Diode!
On, Ruby! On, Nd:YAG! On, Alexandrite, too!
St Laser whistled and shouted and called them by name:
"Now, Argon! Now, CO2! Now, Excimer and Diode!
On, Ruby! On, Nd:YAG! On, Alexandrite, too!