The inner side of the casing can be utilised to seal the fabric. That is done after the previous thread is fed through the ratchet and screw threads and the final product is ready to be boxed. This assembly process is used in assembling all types of products which range from family utensils to both automobiles. The Automatic Screw Feeder Machine Factory in China is used in all these cases since it simplifies the whole fabrication procedure. Other fabrication related processes utilised in automated manufacturing crops involve packaging and construction of electric and electronic appliances.