的企业。
第三条 从事表演舞台工程的企业分为：舞台设计制作、舞台灯光设计安装调试、舞台音响设计安装调试、舞台音视频设计安装调试、舞台机械设计安装调试五类。
第四条 北京地区资质等级评定工作由中国舞台美术学会统一组织yeneizhuanjia参与评定，各省、市、自治区学会依据此评定办法，根据当地实际情况和有关部门商定，函告中国舞台美术学会。
-资质等级评定标准-
近年来，各种大型表演活动的数量不断增多，临时性舞台看台搭建工程包括灯光、音响、机械设备的安装使用愈益复杂，安全隐患也随之增多，有必要对参与演出的设计施工企业及安全行为进行行业规范，对其提出更高、更具体的要求。各类企业资质等级标准如下：
cle 3 Enterprises engaged in performing stage engineering aredivided into five categories: stage design and production, stagelighting design, installation and debugging, stage sound design,installation and debugging, stage audio and video design,installation and debugging, stage mechanical design andinstallation, installation and debugging. Article 4 The evaluationof grade in Beijing shall be organized by experts inthe industry. Societies of the provinces, municipalities andautonomous regions shall inform the Society of Stage Arts by letteraccording to the local actual situation and the relevantdepartments. - rating criteria- In recent years, theincreasing number of various large performance activities,temporary stage stand structures including lighting, sound,installation of mechanical e use more
