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Article 58 The Ministry of Public Security shall formulate the forms of documents needed for the implementation of these Provisions and the catalogue of instruments, equipment and facilities that fire fighting technical service institutions shall be equipped with.Article 33 The fire-fighting technical service institution shall, within five days from the date of completion of the fire-fighting technical service project, file the catalogue of the fire-fighting technical service project and the written conclusion document issued through the social fire-fighting technical service information system.要么就是齐国彻底强大起来，可是田横的本事………,田横可开始大不如其兄田荣，田荣尚且那样艰难，田横要是能帮助侄子稳定齐国之地已经算是不错了。此情此景，黎水心有所感，不自觉地将葫芦丝送到嘴边，轻轻吹奏起来。赵思萍与何永强进了厅堂，二人只一个对笑，便将对方肚子里的坏水摸了个透。吧*众人见蒲俊侃侃而谈，不慌不忙的，似乎这些事情他都是了解过的。The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.