1. Young men are fitter to invent than to judge, fitter for execution than for counsel, and fitter for new projects that for settled business. 青年人更适合于创新而不判断，更宜于实干而不是给人以劝告，更宜于开创新事业而不是保守旧业。
2. Young men are fitter to invent than to judge, fitter for execution than for counsel, fitterfo new projects than for settled business. -Bacon. 年轻人更适合发明而非评价；更适合执行而非决策；更适合从事新项目而非固定职业。-培根。
3. Fitter is the main tool for hand-held clamp fitter in Vise on the table for cutting the work methods, it is the machinery of one of the important types of work. 钳工是主要手持工具对夹紧在钳工工作台虎钳上的工件进行切削加工的方法，它是机械制造中的重要工种之一。
4. Pipe production line: Double wall Metal Reinforced Spiral Corrugated Pipe production line Double wall corrugated pipe, Steel plastic composite pipe and PE pipe and HDPE spiral pipe production line. 管道类——钢骨架增强缠绕波纹管、大口径双壁波纹管、钢塑复合管以及实壁或结构壁聚乙烯管成套生产设备。
5. Waste draining pipe, offlet or drain pipe should be connected to the main pipe; each pipe should connect two valves with the most possible short valve-to-valve pipe length. 排污管、放水管或疏水管应分别连接到各自的总管上，每管均应串接两个阀门，两阀门间的管段应尽量缩短。
