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Clase N.º ref. Chino Inglés
37 60671 建筑施工监督 Building construction supervision
37 62713 污水管维护 Sewer pipe maintenance
37 61279 供暖设备安装 Heating equipment installation
37 61719 电子显示屏维护和修理 Maintenance and repair of electronic display panels
37 60887 时钟修理或维护 Clock repair or maintenance
37 62849 轮胎重新开槽 Tyre regrooving
37 61183 装配更换的车辆零件 Fitting of replacement vehicle parts
37 60719 天花板清洁服务 Ceiling cleaning services
37 60679 出租建筑设备 Building equipment (Rental of -)
37 62721 厨刀磨利 Sharpening of kitchen knives
37 61463 安装射频通信系统 Installation of radio frequency communications systems
37 61015 建造住宅物业 Construction of residential properties
37 61143 电器的安装和修理 Electric appliance installation and repair
37 60807 清洁建筑物内部 Cleaning of building interiors
37 60991 为河马建造预制房屋 Construction of pre-fabricated houses for hippopotami
37 61519 洁净室设施和设备的安装、维修和保养 Installation, repair and maintenance of cleanroom facilities and equipment
37 60687 运河船闸建造 Building of canal locks
37 62729 插入钢筋稳定土壤 Stabilisation of soil by insertion of reinforcing bars (Services for the -)
37 61271 隧道注浆加固 Grout reinforcement for tunnels
37 61111 土木工程项目施工监理 Construction supervision of civil engineering projects
37 61175 织物熨烫 Fabric ironing
37 60855 外科器械和设备清洁 Cleaning of surgical instruments and equipment
37 61239 家具修理 Furniture repair
37 62841 钻掘隧道 Tunnels (Drilling of -)
37 60695 修建高速公路网 Building of motorway networks