这句话怎么写，求前辈们了

　　这句话怎么写，求前辈们了。In order to reduce the cost and weight and make full use of the properties of materials, production is often involved in different thickness metals.
审稿人说我的意思不清楚：Meaning not clear
如何修改呢？谢谢大家啊~~~
===有问必答===
In order to reduce the cost and weight of material, and to make full use of the material properties, productions are often involved in different thickness metals.
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In order to reduce the cost and weight of materials, more important, to make full use of the material properties, productions are often involved in some differentmetal with various thicknesss.仅供参考。
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production is often involved in different thickness metals是个病句吧？
是否应该是different thickness metals are often involved in production.
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为了降低能耗、减轻重量，以及充分利用材料性能，在生产中常涉及到不等厚材料的连接
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In order to reduce cost and weight, and to make full use of the material properties, the production often involves the connection of materials of different thickness.