First of all wood from a tree, one of Northern California brass ball valve and Oregon in the straight cedar. It cut down and transported to the site need saws, trucks, ropes¡¡ and numerous other tools. These tools of the manufacturing process involving many individuals and a variety of professional skills: first mining, steel making, and then to create saw, axe and the engine; come some kind of anesthesia, and then through the procedures of processing before they create You Cuyou a sturdy rope; logging in the field beds and a canteen,¡¡ loggers to drink cups of coffee each inside, I do not know how many people have included labor. Then, the wood was brought into wood processing plant, where logs are made of lath, and then strip from California, transported to the Wilke Si Bale, where the cause of this story of a particular pencil. But this is only a pencil cortex, which lead to heart is not in fact lead. It was originally from exploitation by the Ceylon graphite, after many complex processing, and finally into the lead pencil heart.
Pencil head of the metal is the brass ring. He said: "Please look at all those who think exploitation of zinc and copper bar, Think of all those who use their technology to make these natural product of copper flashes of it."
That we called Cazi things in pencil manufacturing called "T rub." It is brass ball valve generally thought that rubber do. Rubber used only for the purpose of integration. Erased from the role of actually "curing ointment," This thing looks like rubber, is used Dutch East India Islands (now Indonesia) production of rapeseed oil and sulfur chloride Combination reaction made of.
Finish all of these, small pencil last asked: "Which is willing to refute what I have said that out of that sentence is: a person on the planet did not know how to create me? "
This story shows the image to the people of the specialized division of labor in the production and progress of mankind in the great role played by. Specialized division of labor and cooperation so that mankind can create the Apollo moon landing, "Shen Wu" took off such a miracle, but if there is no specialized division of labor, a life of its people poorer, even a small pencil can not be manufactured.
Tens of thousands of people involved in the manufacture brass ball valve of a pencil, not because they need pencil and this line. Among them some people even have never seen a pencil, I do not know what it is used. It is amazing that the pencil in the continually produced. These people are living in different places, speak different languages, to profess different religions, and may even hate each other - However, all these differences, and not hinder them in their respective areas of work, eventually producing a pencil. This is how the ? ? Adam Smith in two hundred years ago gave us the answer - specialized division of labor and cooperation. brass ball valve |