If a food bears a USDA Organic label, it means it's produced and processed according to the USDA standards. The seal is voluntary, but many organic producers use it. Products certified 95 percent or more organic may display this USDA seal.
A machinist is a person who uses machine tools to make or modify parts, primarily metal parts. This process of machining is accomplished by using machine tools to cut away excess material much as a woodcarver cuts away excess wood to produce his work.
The CNC machine is used in production of precision parts or parts with intricate details, and can be used to fabricate products, from medical implants to automotive parts, with a high degree of accuracy. A CNC machinist is skilled in machining procedures, material properties and computer operations.