Prepare reports, sketches, working drawings, specifications, proposals, and budgets for proposed sites or systems. Provide advice on water quality and issues related to pollution management, river control, and ground and surface water resources. Design and supervise environmental and land reclamation projects in agriculture and related industries. Design agricultural machinery components and equipment using computer-aided design (CAD) technology. Discuss plans with clients, contractors, consultants, and other engineers so that they can be evaluated and necessary changes made. Design food processing plants and related mechanical systems. Plan and direct construction of rural electric-power distribution systems, and irrigation, drainage, and flood control systems for soil and water conservation. Supervise food processing or manufacturing plant operations. Design structures for crop storage, animal shelter and loading, and animal and crop processing, and supervise their construction. Test agricultural machinery and equipment to ensure adequate performance. Visit sites to observe environmental problems, to consult with contractors, or to monitor construction activities. Conduct educational programs that provide farmers or farm cooperative members with information that can help them improve agricultural productivity. Meet with clients such as district or regional councils, farmers, and developers, to discuss their needs. Design sensing, measuring, and recording devices, and other instrumentation used to study plant or animal life.