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.

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.

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.

铁路指挥官协调和监督客运和货运列车机组人员的活动。列车机务员在火车运行检查刹车等系统和设备，并协助铁路指挥官途中的各项活动。他们受雇于铁路运输公司。

Railway conductors co-ordinate and supervise the activities of passenger and freight train crew members. Brakemen check train brakes and other systems and equipment prior to train run, and assist railway conductors in activities en route. They are employed by railway transport companies.

铁路机车工程师操作铁路机车运送乘客和货物。他们受雇于铁路运输公司。堆场机车工程师在铁路，工业或其他场所庭院内部操作机车。他们受雇于铁路运输公司和铁路运输的工业或商业用户。

Railway locomotive engineers operate railway locomotives to transport passengers and freight. They are employed by railway transport companies. Yard locomotive engineers operate locomotives within yards of railway, industrial or other establishments. They are employed by railway transport companies and industrial or commercial users of rail transport.

本单元组的工人测试，维修和服务于小型汽油及柴油发动机和设备，如园艺拖拉机，舷外马达，割草机和其他相关设备。他们受雇于经销商服务店，以及独立服务场所。

Workers in this unit group test, repair and service small gasoline and diesel-powered engines and equipment, such as garden tractors, outboard motors, lawn mowers and other related equipment. They are employed by dealer service shops and by independent service establishments.

本单元组技师测试，维修和服务于摩托车，小型摩托车，雪地车，叉车和全地形车。他们受雇于摩托车经销商和零售商的商店以及独立服务场所。

Mechanics in this unit group test, repair and service motorcycles, motor scooters, snowmobiles, forklifts and all-terrain vehicles. They are employed by service shops of motorcycle dealers and retailers and by independent service establishments.

电气技师维护，测试，重建和修复电动机，变压器，开关柜及其他电器设备。他们受雇于独立的电器维修店，电气设备制造商的服务店和制造公司的维修部门。

Electrical mechanics maintain, test, rebuild and repair electric motors, transformers, switchgear and other electrical apparatus. They are employed by independent electrical repair shops, service shops of electrical equipment manufacturers and maintenance departments of manufacturing companies.

家电服务商和维修工服务和维修家用和商用电器。他们受雇于修理店，家电服务公司和维修部门的零售及批发机构，或者有可能成为自雇人士。

Appliance servicers and repairers service and repair domestic and commercial appliances. They are employed by repair shops, appliance service companies and repair departments of retail and wholesale establishments, or they may be self-employed.

油和固体燃料加热技工安装和维护住宅及商业楼宇的石油，煤炭和木材取暖系统。他们受雇于加热系统安装和服务公司。

Oil and solid fuel heating mechanics install and maintain oil, coal and wood heating systems in residential and commercial buildings. They are employed by heating systems installation and service companies.