The use of coal in China started large area,ray bans online, also in a thousand years later in the Song Dynasty thing. As coal is the word, it is the first time mentioned in Li's " Compendium of Materia Medica " in the. And the reason why the ancients did not use a large area Carboniferous ( here follows the ancient call, or when the person is the protagonist and Carboniferous, written boats when they are coal, easily confused, no longer tired ), on the one hand because there is did not recognize the value of the Carboniferous, and on the other hand it is also behind the ancient techniques, collecting easy.
These must be different with gold, silver iron mineral resources, fire wood for heating can also be used after all, but the manufacturing weapons armor, mint coins, the Mint is inseparable from gold, silver iron. So the next two phases cons, naturally no one deliberately to collect Carboniferous, and occasionally use some, also the right way. Even the people here, but also do not understand Carboniferous big role, but look to Wang Lie, etc. ray ban australia give an answer. Wang Lie said: In fact, apart from a huge role in medicine, the most important feature is the Carboniferous fire.
All of you may know, this steel, especially stainless steel refining is needed on a good high temperature, if the temperature is not enough, many things can not be manufactured, is not it, Big Brother week ? Zhou Xing as a blacksmith is outrageous weapons and military presence to create new tools, has been also an important figure, but also vitality Wang Lie army arranged a job for him, not what is called blacksmiths, craftsmen, but called the ordnance division, this naturally also invited to participate in other occasions. At the moment, said Wang Lie hear these, Zhou Xing is nodded : Boss said yes, if the temperature is not enough iron steel, steel toughness will meet the requirements, but also need to impurities in the molten iron temperature louis vuitton bags temper purification, If it really can produce high temperature Carboniferous, ray ban sunglasses also be able to refining a more tough, lightweight steel, leader mentioned that what your ' Meiko armor ' ray ban sunglasses also be able to advance the development of ; while ray ban sunglasses outrageous that manufactured military hand crossbow If able to put tougher steel parts, greater range and power will improve, ah, at least to raise thirty steps.
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