他说承包商需要了解的是：用轻质材料能节省运输、劳动力和设备费用，以及潜在的维护费。
What contractors need to understand, he said, is that there are transportation, labor and equipment savings from using lighter components, and potential maintenance savings, too.
此外，Alion公司作为承包商还将测试设备和技术、运行数据收集软件，以及执行材料研究。
Additionally, the contractor will test equipment and techniques, implement data collection software, and perform materials studies.
承包商应确保提供的合同设备或材料的包装箱（袋、物）都涂有明显的标记和唛头。
The contractor shall ensure that the contract equipments or packing cases(packaging, goods) are all featured distinct mark and shipping mark.
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