smosh fan art The subject of manufacturing technology is very vast and includes various types of machines tools required to manufacture finished products between simple hand-held tools, lathe machines, grinders, milling machines to highly versatile and sophisticated computerised numerical control or CNC machines and so forth. Of course it also involves many different techniques of manufacturing which may be a topic a few different details discussion plus some of those include casting, forging, alloying, welding, soldering, brazing etc. each of those techniques get their own advantages and limitations and so are a specialized field of knowledge themselves. When played on a guitar, a collection of tones that combine to make a melody are called a chord. Chords can be produced by using a strumming or plucking method, and also the chords may be comprised of different notes played one string during a period. Chords may use two, three, or even more notes. One note can also be considered a chord.