该文件将成为欧洲承建商在 处理使用温室制冷剂设备所拥有的基本权限的指导。
The document provides guidance on the basic competences that contractors dealing with such refrigerants should have.
在2006年超过一百万件KNX设备被用于智能家居和大厦，并由合资格的KNX承建商设计和安装。
In 2006 over 1 million KNX devices were installed to intelligent homes and buildings by qualified KNX planners and contractors.
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