This is a demonstration of drying water droplets from a tin cup using a carbon line heater.
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Related page:
Water droplet drying of silver cup 
Water droplet drying of gold cup 
Water droplet drying of t1 brass plate 
Water droplet drying of t1 copper plate 
Water droplet drying of t1.5 copper plate 
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Water droplet drying of t1 SUS304 plate 
Water droplet drying of matte surface of aluminum foil