CNC refers to a "computer numeric control" machine. It's a relatively new technique in the world of machining, which allows greater efficiency due to increased automation and by allowing the machine as well as its computer control system to complete every task more efficiently & perfectly.
Although CNC machines are reducing the amount of work and preventing mistakes. The most significant benefit of CNC router woodworking, wood CNC router and CNC wood cutting machine is the fact that it increases automation, which eliminates the requirement for an operator.
CNC machines can be left in a state of no maintenance for days or even hours when needed, allowing workers to concentrate on their other tasks. This can also allow businesses to hire fewer workers, which saves on costs of overhead.
The removal of the operator increases the risk of injury as, should there be an issue with the tool or any other dangerous machining errors the operator will not be holding the tool, and the only thing that is damaged is the machine itself.
When the tool is removed from the operator, this improves the safety as should there be any jams or mistakes in machining, the operator won't hold the tool. Rather, the only thing to get damaged would be the tool itself.