石油和天然气钻井工人以及服务人员在钻机经理的监督下，控制钻探和起重设备对钻孔和服务钻机的操作，指导钻机机组活动。石油和天然气井采运工，测试人员和有关人员操作专门的机械或电子设备，工具或仪器，结合井钻井，完井或维修提供服务。本单元组的工人受雇于钻井和油井服务承包商，石油生产公司，测井或测试公司。

Oil and gas well drillers and well servicers control the operation of drilling and hoisting equipment on drilling and service rigs, and direct the activities of the rig crew under supervision of the rig manager. Oil and gas well loggers, testers and related workers operate specialized mechanical or electronic equipment, tools or instruments to provide services in conjunction with well drilling, completion or servicing. Workers in this unit group are employed by drilling and well service contractors, petroleum producing companies and well logging or testing companies.

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地下生产和开发矿工，钻探，爆破，操作矿山机械，并履行相关职责，即提取地下矿井的煤炭和矿石以及构建促进采矿作业的隧道，通道和轴。他们受雇于煤炭，金属和非金属矿物地下矿山和矿山建设，凿井和隧道等专门的承包商。

Underground production and development miners drill, blast, operate mining machinery, and perform related duties to extract coal and ore in underground mines and to construct tunnels, passageways and shafts to facilitate mining operations. They are employed by coal, metal and non-metallic mineral underground mines and by specialized contractors in mine construction, shaft sinking and tunnelling.

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本单元组监督元监督和协调从事钻探石油或天然气，运营服务的钻机，或提供石油和天然气井技术服务的工人的活动。他们受雇于钻井、油井服务承包公司和石油生产公司。本单元组包括可以自主经营的油田顾问。

Supervisors in this unit group supervise and co-ordinate the activities of workers engaged in drilling for oil or gas, operating service rigs, or providing oil and gas well services. They are employed by drilling and well service contracting companies and by petroleum producing companies. This unit group includes oilfield consultants who may be self-employed.

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本单元组主管监督和协调从事地下和地表采矿作业和采石场工人的活动。他们受雇于煤炭，金属和非金属矿物矿场和采石场。

Supervisors in this unit group supervise and co-ordinate activities of workers engaged in underground and surface mining operations and quarries. They are employed by coal, metal and non-metallic mineral mines and quarries.

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此单元组包括技工和其他未分类的相关技术工人，他们负责维修，服务，安装，校准或制造各种产品。此单元组包括商业潜水员。他们受雇于广泛的场所，或者有可能成为自雇人士。

This unit group includes tradespersons and related skilled workers, not elsewhere classified, who repair, service, install, calibrate or fabricate a variety of products. This unit group includes commercial divers. They are employed by a wide range of establishments, or they may be self-employed.

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此单元组包括技工和其他未分类的相关技术工人，他们负责维修，服务，安装，校准或制造各种产品。此单元组包括商业潜水员。他们受雇于广泛的场所，或者有可能成为自雇人士。

This unit group includes tradespersons and related skilled workers, not elsewhere classified, who repair, service, install, calibrate or fabricate a variety of products. This unit group includes commercial divers. They are employed by a wide range of establishments, or they may be self-employed.

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印刷机操作员设置和操作薄板和卷筒纸印刷机，在各种各样的材料上，如纸，塑料，玻璃，皮革和金属，进行打印文字，图片和设计。他们受雇于商业印刷企业，报纸，杂志和其他出版公司，以及佣有内部印刷部门公共和私营部门的机构。

Printing press operators set up and operate sheet and web-fed presses to print text, illustrations and designs on a wide variety of materials such as paper, plastic, glass, leather and metal. They are employed by commercial printing companies; newspapers, magazines, and other publishing companies; and establishments in the public and private sectors that have in-house printing departments.

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水井钻井工操作各种移动水井钻机和设备对各种住宅，商业和工业的水井实施钻孔和监控。他们受雇于水井钻探承包商和政府，或也可能自营生路。

Water well drillers operate a variety of mobile water well drilling rigs and equipment to drill and monitor residential, commercial and industrial water wells. They are employed by water well drilling contractors and governments, or they may be self-employed.

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该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。爆破员用炸药填补爆破洞，然后引爆炸药，提炼出煤炭、矿石和岩石或者粉碎建筑物。他们受雇于采矿，采石和建筑公司，也受雇于钻孔和爆破承包商。

Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites. Blasters in this unit group fill blast holes with explosives and detonate explosives to dislodge coal, ore and rock or to demolish structures. They are employed by mining, quarrying and construction companies and by drilling and blasting contractors.

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起重机操作员在建筑或工业用地，港口，铁路调车场，露天矿山和其他类似地点操作起重机或吊斗铲升降，移动，定位或放置机器，设备及其他大型物体。他们受雇于建筑，工业，采矿业，货物装卸和铁路公司。

Crane operators operate cranes or draglines to lift, move, position or place machinery, equipment and other large objects at construction or industrial sites, ports, railway yards, surface mines and other similar locations. They are employed by construction, industrial, mining, cargo handling and railway companies.

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