Select second-hand spell trigger what effect to our environment

How much human in or not could continuously work every day, always need to have a rest, when you eat another important reason is impossible to have focus on big infinite strength, the main is make the product can't be perfect, but, the machine can realize, this kind of mechanical from the professional design, through the efforts of everyone under production, the second-hand machine is very famous. An are not
in the secondary market, because of second-hand products are always behind, but not this one, on the mechanical more times attention, our machinery on the decomposition is very difficult, for professional personnel, mechanical decomposition is difficult to see, now the world's environmental protection, and protect the environment, therefore, second-hand machine was given.
because people know that environmental pollution may cause great harm to our human, so, everyone in the face of the secondary market is not only can guarantee the quality of second-hand machine, or a way to protect the environment.