AI
I have limited knowledge of English, but here are some explanations in English:Finishing refers to the final stage of manufacturing where the product is polished or refined. This is typically done on high-end products that require a high degree of precision and smoothness.Semi-finishing, also known as semi-automatic finishing, refers to a manufacturing process that involves partially automating the finishing stage. This allows for more efficient production without sacrificing quality.Roughing, on the other hand, refers to the initial stage of manufacturing where the product is roughed out or shaped using various cutting tools. This stage is characterized by large amounts of material removal and typically involves manual labor.As for the term "NONE", it may refer to a particular condition or situation where no specific action or operation has been carried out yet. Without further context or det
AIls, it is difficult to provide a definitive answer as to what it could possibly mean in this context.In terms of flat surfaces, it is possible that "NONE" could indicate that the surface needs additional processing or treatment before achieving the desired flatness.Please let me know if you have any other questions or if there is anything else I can assist you with.
