本文旨在为读者提供在现有机器和技术之间做出明智决策所需的基本知识；无论是评估他/她的机器和当前的应用程序，还是在不久的将来购买一台新机器。在购买新机器时，它将为读者提供选择所需机器和工具的知识，而不会限制他们自己，同时帮助控制成本（投资回报）。虽然没有提供实际的成本比较，但本文为读者提供了做出明智决策的依据。

THIS PAPER IS DESIGNED TO PROVIDE THE READER WITH THE BASIC KNOWLEDGE NEEDED TO MAKE AN INFORMED DECISION BETWEEN THE MACHINES AND TECHNOLOGIES AVAILABLE; WHETHER EVALUATING HIS/HER MACHINE AND PRESENT APPLICATIONS OR THE PURCHASE OF A NEW MACHINE IN THE NEAR FUTURE. ON THE PURCHASE OF A NEW MACHINE, IT WILL PROVIDE READERS WITH THE KNOWLEDGE TO SELECT THE MACHINE AND TOOLING THEY NEED WITHOUT LIMITING THEMSELVES, WHILE AT THE SAME TIME HELPING TO KEEP COST IN CHECK (RETURN ON INVESTMENT). WHILE NOT PROVIDING ACTUAL COST COMPARISONS, THIS PAPER PROVIDES THE READER WITH THE BASIS TO MAKE AN INFORMED DECISION.