Final answer:
CNC machines always require less time to make a part than manual machines.
Step-by-step explanation:
The statement 'CNC machines always require less time to make a part than manual machines' is true.
CNC (Computer Numerical Control) machines are automated machines that are controlled by computer software, whereas manual machines are operated by human operators. CNC machines are capable of performing tasks more accurately and efficiently than manual machines, resulting in shorter production times.
For example, a CNC milling machine can quickly and precisely cut complex shapes out of a piece of material, while a manual milling machine requires the operator to perform each cutting operation manually.