Aerobic respiration, a process that uses oxygen, and anaerobic respiration, a process that doesn't use oxygen, are two forms of cellular respiration.Although some cells may engage in just one type of respiration, most cells use both types, depending on an organism's needs.erobic respiration, a process that uses oxygen, and anaerobic respiration, a process that doesn't use oxygen, are two forms of cellular respiration.
Confidence votes 189. conventional machining is that in which the control of removal of material is either by automatic machines or by man handled.while cnc machinig is that in which control of machining process is done by computes or through programming.
Metal Fabrication. Non-ferrous metal machining is one of the greatest strengths of CNC Routers from AXYZ International. Our machines are used by a wide variety of manufacturing businesses that need machined components from aluminum, brass or copper.XYZ CNC Routers deliver substantial advantages over most other CNC processes for machining metals. Key advantages include: 1  Large format process areas (standard production formats from 4â x 4â to 8â x 24â).