prosseccingsilk.
The correct term is processing.
Please refer the link below:-
https://www.meritnation.com/ask-answer/question/plz-explain-industrial-processing-of-silk/fibre-to-fabric/2221066
Please refer the link below:-
https://www.meritnation.com/ask-answer/question/plz-explain-industrial-processing-of-silk/fibre-to-fabric/2221066