石油工程师研究关于石油和天然气储存的开采，发展和提取；计划，设计，发展和监督钻孔项目，实施测试，石油和天然气井的开发。他们受雇于石油制造公司，咨询公司，测井和测试公司，政府，科研和教育机构。
Petroleum engineers conduct studies for the exploration, development and extraction of oil and gas deposits; and plan, design, develop and supervise projects for the drilling, completion, testing and re-working of oil and gas wells. They are employed by petroleum producing companies, consulting companies, well logging or testing companies, government, and research and educational institutions.
地质工程师开展地质和岩土工程研究来评估土木工程，矿山和石油天然气项目的选址适合与否；计划，设计，发展和监督地质数据采集和分析，并准备地质工程报告，提供相关建议。地质工程师受雇于咨询工程公司，电力公用事业，矿山和石油公司，政府部门，研究和教育机构。
Geological engineers conduct geological and geotechnical studies to assess suitability of locations for civil engineering, mining and oil and gas projects; and plan, design, develop and supervise programs of geological data acquisition and analysis and the preparation of geological engineering reports and recommendations. Geological engineers are employed in consulting engineering companies, electrical utilities, mining and petroleum companies and in government and research and educational institutions.
采矿工程师计划，设计，组织和监督矿山，矿山设施，系统和设备的发展；准备和监督金属和非金属矿物的提取以及地下和表面矿井的矿石。采矿工程师受雇于矿山公司，顾问工程公司，制造商，政府和教育科研机构。
Mining engineers plan, design, organize and supervise the development of mines, mine facilities, systems and equipment; and prepare and supervise the extraction of metallic or non-metallic minerals and ores from underground or surface mines. Mining engineers are employed by mining companies, consulting engineering companies, manufacturers, government and in educational and research institutions.
冶金与材料工程师研究金属及其它非金属材料的属性和特点，规划，设计和开发机械和工艺，从而达到集中，提取，提炼和加工金属，合金及其他材料，如陶瓷，半导体和复合材料的。冶金与材料工程师受聘于工程咨询公司，采矿，金属加工和制造企业，以及政府，研究和教育机构。
Metallurgical and materials engineers conduct studies of the properties and characteristics of metals and other non-metallic materials and plan, design and develop machinery and processes to concentrate, extract, refine and process metals, alloys and other materials such as ceramics, semiconductors and composite materials. Metallurgical and materials engineers are employed in consulting engineering firms, mining, metal processing and manufacturing companies, and in government, research and educational institutions.
工业和制造工程师进行研究，并制定和监督程序，以达到最佳的使用设备，人力资源，技术，材料和程序，以提高效率和生产力。工业和制造工程师受雇于咨询公司，生产和加工企业，政府，金融，医疗保健和其他机构，也可能成为自雇人士。
Industrial and manufacturing engineers conduct studies, and develop and supervise programs to achieve the best use of equipment, human resources, technology, materials and procedures to enhance efficiency and productivity. Industrial and manufacturing engineers are employed in consulting firms, manufacturing and processing companies, in government, financial, health care and other institutions, or they may be self-employed.
化学工程师研究，设计，发展化学工艺和设备，监督工业化学，塑料，药物，资源，纸浆和纸张，食品加工厂的使用和维护， 履行相关化学质量控制，环境保护和生物化学生物技术工程。化学工程师受雇于制作和加工业，咨询公司，政府，研究教育机构。
Chemical engineers research, design, and develop chemical processes and equipment, oversee the operation and maintenance of industrial chemical, plastics, pharmaceutical, resource, pulp and paper, and food processing plants and perform duties related to chemical quality control, environmental protection and biochemical or biotechnical engineering. Chemical engineers are employed in a wide range of manufacturing and processing industries, consulting firms, government, research and educational institutions.
电气和电子工程师设计，规划，研究，评估和测试的电气和电子设备和系统。他们受雇于电力公司，通信公司，电气和电子设备制造商，咨询公司，并受雇于广泛的制造，加工和运输等行业和政府。
Electrical and electronics engineers design, plan, research, evaluate and test electrical and electronic equipment and systems. They are employed by electrical utilities, communications companies, manufacturers of electrical and electronic equipment, consulting firms, and by a wide range of manufacturing, processing and transportation industries and government.
机械工程师研究，设计和发展热力，通风和空调，发电量，运输，处理和制造机械和系统。他们也履行如下职责：机械系统的评估，安装，操作和维护。机械工程师受雇于咨询公司，电力公用事业和大范围的制造，处理和交通行业，也可以自雇。
Mechanical engineers research, design and develop machinery and systems for heating, ventilating and air conditioning, power generation, transportation, processing and manufacturing. They also perform duties related to the evaluation, installation, operation and maintenance of mechanical systems. Mechanical engineers are employed by consulting firms, by power-generating utilities and in a wide range of manufacturing, processing and transportation industries, or they may be self-employed.
土木工程师负责计划，设计，发展和管理建设项目或房屋，地表结构，发电站，道路，飞机场，高速路，桥梁，隧道，运河，大坝，港口和有关高速路，交通服务，水资源分布和卫生设备等沿岸设施和系统的建设与修复。土木工程师可以是基础分析，建筑和结构视察，测量，测绘学和市政规划的相关领域。土木工程师受雇于工程咨询公司，所有层次的政府部门，建设公司和很多其他领域，也可以自雇。
Civil engineers plan, design, develop and manage projects for the construction or repair of buildings, earth structures, powerhouses, roads, airports, railways, rapid transit facilities, bridges, tunnels, canals, dams, ports and coastal installations and systems related to highway and transportation services, water distribution and sanitation. Civil engineers may also specialize in foundation analysis, building and structural inspection, surveying, geomatics and municipal planning. Civil engineers are employed by engineering consulting companies, in all levels of government, by construction firms and in many other industries, or they may be self-employed.
农业代表，顾问和专家向农民提供援助和农场管理，种植，施肥，收割，土壤侵蚀和组成，疾病预防，营养，作物轮作和营销等各方面的意见。他们受雇于企业，机构和政府协助农耕社团，或者他们可能成为自雇人士。
Agricultural representatives, consultants and specialists provide assistance and advice to farmers on all aspects of farm management, cultivation, fertilization, harvesting, soil erosion and composition, disease prevention, nutrition, crop rotation and marketing. They are employed by businesses, institutions and governments that assist the farming community, or they may be self-employed.