Those
who use traditional manufacturing methods could testify that it had several
limitations, primarily based on human labor. Since then, the manufacturing
world has been evolving, creating other methods like casting, machining,
molding, and so on, which are relatively new. However, these technologies
demand a subtracting material from a larger material to attain an end product
or produce a tool for molding or casting; this proves to be a severe limitation
in the manufacturing process.  ...
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