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<p>By combining biology and medicine with engineering, biomedical engineers develop devices and procedures that solve medical and health-related problems. Many do research, along with life scientists, chemists, and medical scientists, to develop and evaluate systems and products for use in the fields of biology and health, such as artificial organs, prostheses (artificial devices that replace missing body parts), instrumentation, medical information systems, and health management and care delivery systems. Biomedical engineers design devices used in various medical procedures, such as the computers used to analyze blood or the laser systems used in corrective eye surgery. They develop artificial organs, imaging systems such as magnetic resonance, ultrasound, and x-ray, and devices for automating insulin injections or controlling body functions. Most engineers in this specialty require a sound background in one of the basic engineering specialties, such as mechanical or electronics engineering, in addition to specialized biomedical training. Some specialties within biomedical engineering include biomaterials, biomechanics, medical imaging, rehabilitation engineering, and orthopedic engineering.</p>
<p>Chemical engineers apply both, the knowledge of chemistry and, the principles of engineering to the chemical industry and thus form the bridge or the link between science and manufacturing. They are involved in a wide variety of activities like equipment design, process developing for chemical manufacture on a large scale, planning and testing ways of producing and the treatment of byproducts as well as supervision of manufacturing activities. They are employed in not only chemical but also other manufacturing concerns like in the field of electronics, photography, clothing and pulp & paper products. Medicine & healthcare, biotechnology as well as the business industry also holds employment opportunities for chemical engineers.</p>
<p>Chemical engineers use the knowledge of chemistry, physics mathematics, and mechanical and electrical engineering and as such their activities and duties overlap other fields. Chemical engineers can usually specialize in one process like oxidation or polymerization or in a field like material science. They can even learn to develop specific products like pesticides and fertilizers, automotive plastics, chlorine bleaches etc. Chemical engineers need to know about the full scope of manufacturing chemicals and their effect on our environment, as well as the safety of workers and buyers. Due to the advent of information technology and its use in efficient research and production activities, chemical engineers are required to understand and apply computer knowledge to analyze chemical processes, to automate control systems and to provide statistical control of quality.</p>
<p>Electrical and electronics engineers are involved in a wide variety of technology ranging from huge global positioning systems which can pinpoint the location of a moving vehicle to gigantic electrical power generators. These engineers are responsible for designing, developing, testing as well supervising the production of electrical and electronic equipment and machinery. Broadcast and telecommunication systems, electric motors, controls of machinery, lights and wiring in building complexes, vehicles, aircraft, radar and navigation systems, power generation, control and transmission devices which are used by electric utilities are all examples of equipment built by these engineers. They may also work in fields which relate to computers and IT. However, those engineers who deal exclusively with computer hardware are called computer hardware engineers- an engineering specialty with is discussed separately in the Handbook.</p>
<p>Electrical and electronics engineers may choose to specialize in various areas like power generation, transmission and distribution; communications; manufacture of electrical equipment etc or a one particular specialty within these area; foe e.g. industrial robot control systems or aviation electronics. These engineers are involved in designing new products, writing requirements for their performance, as well as developing maintenance schedules and charts. Testing equipment and machinery, solving operation problems, estimating time and cost of electrical and electronic products also come under their job.</p>
<p>Industrial engineers determine the most effective ways to use the basic factors of production—people, machines, materials, information, and energy—to make a product or to provide a service. They are the bridge between management goals and operational performance. They are more concerned with increasing productivity through the management of people, methods of business organization, and technology than are engineers in other specialties, who generally work more with products or processes. Although most industrial engineers work in manufacturing industries, they may also work in consulting services, healthcare, and communications.</p>
<p>Industrial engineers devise the best possible method of using the basic factors of production-namely men, materials, machines, information and energy To solve organizational, production, and related problems most efficiently, industrial engineers carefully study the product and its requirements, use mathematical methods such as operations research to meet those requirements, and design manufacturing and information systems. They develop management control systems to aid in financial planning and cost analysis and design production planning and control systems to coordinate activities and ensure product quality. They also design or improve systems for the physical distribution of goods and services. Industrial engineers determine which plant location has the best combination of raw materials availability, transportation facilities, and costs. Industrial engineers use computers for simulations and to control various activities and devices, such as assembly lines and robots. They also develop wage and salary administration systems and job evaluation programs. Many industrial engineers move into management positions because the work is closely related.</p>