This is a demonstration of drying water droplets on a bare board using the Carbon Line Heater.
Please check the following site for more information.
Related page:
Water droplet drying of high-density mounting print board 
Water droplet drying of memory board 
Water droplet drying of t4 carbon fiber bord 
Water droplet drying of t1 carbon fiber bord 
Water droplet drying of tin cup 
Water droplet drying of silver cup 
Water droplet drying of gold cup 
Water droplet drying of PTFE