oil gear Value theory of the many contradictions and arguments, essentially derives from the different definitions of value, originated in the people for the different understanding of the concept of value, value, from the perspective of physics can put the theory of value based on the foundation of natural science, with a high degree of accuracy, objectivity and rationality, so that the value theory of widespread vagueness, subjectivity and ambiguity naturally are addressed. As social things all the movement and the change of value relation is in essence the motion and change, so the value theory is the foundation of social science theory, if the value theory is built on the basis of natural science, can greatly promote the fusion and unity of the social science and natural science, but also make the social science become subservient to the natural sciences. The petrol is overfilled Because economists understand earnings as actual material wealth increase, accounting experts think the output value of more than the difference between the input value is profits, there is a contradiction and two kinds of income concept. The specific performance is: If the railings of the balcony and iron decks are wider than 4 inches, you need to find a way to block and secure them. They can be a danger to your child. Attaching a sheet of Plexiglas, plastic, or any other such materials are able to keep your children safe. There are some parents who make mistake of since the railings with cloth. That's never a good idea. Your child can lift the cloth, after all. You just need to make use of a hard material. A transparent material like Plexiglas wouldn't basically be safe, and also look great. Currently, varied businesses are developing and booming on their own track. The idea that the priority of making profit precedes everything in businesses, has incited the reproach and criticism from the societies. As for me, I disagreed with this point of view as well, since the obsession on profits does damage to other things that a company request.