Tours asia for Specialization causes skills to improve 2. Less time is wasted setting up and cleaning between jobs 3. Familiarity with a particular job leads to thinking about how the job could be done better. This leads to better techniques and to the introduction of machinery. In order for people to specialize there must be opportunity to exchange. Why work in a pin factory, if at the end of the day all you get is lots of pins. To have a Smith, Adam 769 motive for being a highly productive specialized pin maker, you must believe that you can trade the excess pins you don’t want for other things you do. Tours asia 2016.