工具和模具制造商，使用各种金属，合金和塑料，修理和修改需要精确尺寸的定做，原型或专用工具，模具，工模，夹具和量具。他们主要受雇于制造业，如汽车，飞机，金属制造，电气机械及塑料，以及工具和模具，模具制造和加工车间。此单元组还包括金属打样和金属模具制造商。

Tool and die makers make, repair and modify custom-made, prototype or special tools, dies, jigs, fixtures and gauges using various metals, alloys and plastics which require precise dimensions. They are employed primarily in manufacturing industries such as automobile, aircraft, metal fabrication, electrical machinery and plastics, and in tool and die, mould making and machine shops. This unit group also includes metal patternmakers and metal mould makers.

机械师设置和操作各种机床，切割或研磨金属，塑料或其他材料来制作或修改精确尺寸的零件或产品。加工和模具检察员检查加工零件和模具，以保持质量控制标准。他们受雇于机械，设备，汽车，汽车零部件，飞机及其他金属制品制造​​企业和机器加工车间。

Machinists set up and operate a variety of machine tools to cut or grind metal, plastic or other materials to make or modify parts or products with precise dimensions. Machining and tooling inspectors inspect machined parts and tooling in order to maintain quality control standards. They are employed by machinery, equipment, motor vehicle, automotive parts, aircraft and other metal products manufacturing companies and by machine shops

本单元组包括拥有并经营自己的业务的屋顶，砖石，绘画和其他建筑行业承包商及其他未分类的。本单元组监事会监督和协调下列小组中，各种技工，安装工，维修工和服务商的活动：砌体和抹灰交易[728]728，其他建筑业[729]729和其他安装，维修和服务商[744]744。他们受雇于单元组描述的广泛的场所，工作场所。此单元组还包括预制产品安装及服务承办商和业主的一些维修和服务机构。

This unit group includes roofing, masonry, painting and other construction trade contractors, not elsewhere classified, who own and operate their own business. Supervisors in this unit group supervise and co-ordinate the activities of various tradespersons, installers, repairers and servicers classified in the following minor groups: Masonry and Plastering Trades (728), Other Construction Trades (729) and Other Installers, Repairers and Servicers (744). They are employed by a wide range of establishments; places of employment are indicated in the unit group descriptions. This unit group also includes prefabricated product installation and service contractors and proprietors of some repair and service establishments.

本单元组包括拥有和经营自己企业的木工和细木工行业承建商。本组还包括监督和协调以下单元组活动的监事：木匠[7271](7271)和家具[7272](7272)的工人。他们受雇于建筑公司，木工承包商，工业场所的维修部门，定制家具和夹具的制造或维修公司。

This unit group includes carpentry and cabinetmaking trade contractors who own and operate their own businesses. This group also includes supervisors who supervise and co-ordinate the activities of workers classified in the following unit groups: Carpenters (7271) and Cabinetmakers (7272). They are employed by construction companies, carpentry contractors, maintenance departments of industrial establishments, and custom furniture and fixture manufacturing or repair companies.

此单元组包括管道和其他管道安装行业承包商，其拥有并经营自己的企业。本组还包括主管，其监督和协调下列单元组的工人的活动：管道工[7251]（7251），蒸汽管道工人，管道装配和自动喷水灭火系统安装工[7252]（7252）和燃气钳工[7253]（7253）。他们受雇于建筑公司，机械，管道和管道安装行业承包商和维护部门的工业，商业和制造业机构。

This unit group includes plumbing and other pipefitting trade contractors who own and operate their own businesses. This group also includes supervisors who supervise and co-ordinate the activities of workers classified in the following unit groups: Plumbers [7251](7251), Steamfitters, Pipefitters and Sprinkler System Installers [7252](7252) and Gas Fitters [7253](7253). They are employed by construction companies, mechanical, plumbing and pipefitting trade contractors and maintenance departments of industrial, commercial and manufacturing establishments.

本单元组包括拥有和经营自己企业的电信，电力等行业工程的承建商。本组还包括监督和协调下列单元组的工人活动的监事：电工[7241](7241)，工业电工[7242](7242)，电力系统电工[7243](7243)，电力线和电缆工人[7244](7244)，通信线路及电缆工人[7245](7245)，电信安装和维修工人[7246](7246)和有线电视服务和维修技术人员[7247](7247)。他们可任职的机构广泛，工作场所在上述单元组中已经描述。

This unit group includes telecommunications and electrical trade contractors who own and operate their own businesses. This group also includes supervisors who supervise and co-ordinate the activities of workers classified in the following unit groups: Electricians (7241), Industrial Electricians (7242), Power System Electricians (7243), Electrical Power Line and Cable Workers (7244), Telecommunications Line and Cable Workers (7245), Telecommunications Installation and Repair Workers (7246) and Cable Television Service and Maintenance Technicians (7247). They are employed in a wide range of establishments; places of employment are indicated in the above unit group descriptions.

此单元组包括板材，铁工，焊接，锅炉制造行业承建商，其拥有和经营自己的企业。本组还包括主管，其负责监督和协调以下单元组人员的活动：机械师和机械加工和模具督察[7231]（7231），工具和模具制造商[7232]（7232），钣金工人[7233]（7233），锅炉工[7234]（7234），金属结构和板金加工钣金和装配工[7235]（7235），联合冲剪工[7236]（7236），焊接工和相关机械操作员[7237]（7237）和加工工具经营者[9417]（9417）。他们受雇于结构，板金加工和相关金属制品的制造，生产，安装企业和机加工车间。

This unit group includes sheet metal, ironwork, welding and boilermaking trade contractors who own and operate their own businesses. This group also includes supervisors who supervise and co-ordinate the activities of workers classified in the following unit groups: Machinists and Machining and Tooling Inspectors [7231](7231), Tool and Die Makers [7232](7232), Sheet Metal Workers [7233](7233), Boilermakers [7234](7234), Structural Metal and Platework Fabricators and Fitters [7235](7235), Ironworkers [7236](7236), Welders and Related Machine Operators [7237](7237) and Machining Tool Operators [9417](9417). They are employed by structural, platework and related metal products fabrication, manufacturing and erecting companies and machine shops.

葬礼主管统筹和安排殡仪服务的各个方面。尸体防腐者为公众探视和死者下葬而整理遗体。殡仪主管和尸体防腐者受雇于殡仪馆。

Funeral directors co-ordinate and arrange all aspects of funeral services. Embalmers prepare the remains of deceased persons for public visitation and burial. Funeral directors and embalmers are employed by funeral homes.

装潢工涉及到家具，固定装置及带有织物，皮革或其它室内装饰材料的类似项目的装饰。他们受雇于家具，飞机，机动车辆和其他制造企业，家具零售网点和维修店，或者他们可能成为自雇人士。

Upholsterers cover furniture, fixtures and similar items with fabric, leather or other upholstery materials. They are employed by furniture, aircraft, motor vehicle and other manufacturing companies, furniture retail outlets and repair shops or they may be self-employed.

本单元组的珠宝及有关人员制造，组装，维修和评价珠宝首饰。此单元组的钟表维修人员及有关人员维修，清理，调整和制造钟表零件。他们受雇于珠宝首饰，钟表制造商和零售商店，珠宝和手表维修店，或者他们可能会成为自雇人士。

Jewellers and related workers in this unit group fabricate, assemble, repair and appraise fine jewellery. Watch repairers and related workers in this unit group repair, clean, adjust and fabricate parts for clocks and watches. They are employed by jewellery, clock and watch manufacturers and retail stores, by jewellery and watch repair shops or they may be self-employed.