[ Problem Point ]
The marks of water drop remained and were worrisome when natural drying was carried out.
[ ⇒Kaizen Point ]
Nitrogen was heated with the Air Blow Heater and it dried.
The marks of water drop were lost,and since there was also no oxidization, grace improved.
Related page:
No.27 Production of hot nitrogen gas 
No.47 Replacement of gas in laboratory electrified 
No.64 Metal Parts Drying after Washing 
No.65 Small high-temperature tunnel furnace heat source 
No.70 Heat source of nitrogen shield soldering iron 
No.71 Manufacturing of superheated steam 
No.77 Heating of tungsten material 
No.85 Breeze nitrogen heating of powder metal for 3D printer