Firstly the side of photographicsensitive film of wrist support coated by sensitive material should be upward and placed on the workbench,
Secondly,the net frame that is tied up with wrists will be put on the surface of film base,
increasingly by the flexible steel blade.
Then Plastic film base will be taken away since it has been fully drying after above steps.
The net with adhensive photographic film wrist on its surface can be used for exposure at this time.
Finally,a new screen net has been finished after reaction from development and drying.
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