The tools, the training, and the techniques should be under constant refinement.
工具、培训，和技术应该处于不变的改进之下。
Infrastructure includes the tools, techniques, and training being employed across the workforce.
基础架构包括职工使用的工具、技术，和培训。
Common materials, techniques, and tools simplify the development of new buildings and also simplify the training of those entering the field.
平凡无奇的材料、技术和工具简化了新建筑物的建造过程，同样也简化了对新踏入此领域的人员的培训。
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