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U.S. Department of Labor
Industry: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who conducts research into mathematical theories and proofs that form basis of science of statistics and develops statistical methodology. Responsibilities include: * Examines theories, such as those of probability and inference, to discover mathematical bases for new or improved methods of obtaining and evaluating numerical data. * Develops and tests experimental designs, sampling techniques, and analytical methods, and prepares recommendations concerning their utilization in statistical surveys, experiments, and tests. * Investigates, evaluates, and prepares reports on applicability, efficiency, and accuracy of statistical methods used by physical and social scientists, including applied statisticians in obtaining and evaluating data.
Industry:Professional careers
A professional who conducts research to determine location and methods of extracting minerals, such as metallic ores and nonmetallic substances, such as coal, stone, and gravel. Responsibilities include: * Conducts or collaborates in geological exploration, and reviews maps and drilling logs to determine location, size, accessibility, and estimated value of mineral deposit. * Determines methods to extract minerals, considering factors such as safety, operational costs, deposit characteristics, overburden depth, and surrounding strata. * Plans, recommends, and coordinates mining process, type and capacity of haulage equipment, such as power shovels and trucks, and labor utilization. * Lays out and directs mine construction operations, such as location and development of shafts, tunnels, chambers, position of excavation benches (levels), and access roads. * Designs, implements, and monitors facility projects, such as water and power supply, ventilation system, rock-dust and radon gas control, drainage, rail and conveyor systems, and material cleaning, grading, and reduction systems. * May devise methods and locations to store and replace excavated soil to reclaim mine sites. * May analyze labor requirements, equipment needs, and operational costs to compute and prepare annual budget reports. * May apply knowledge of mining engineering to solve problems concerned with environment.
Industry:Professional careers
A professional who conducts microscopic, macroscopic, and other tests and investigations on samples of metals and alloys for purposes as metallurgical control over products or use in developing new or improved grades and types of metals, alloys, or production methods. Responsibilities include: * Directs laboratory personnel in preparing of samples, such as polishing or etching, and designates area of sample where microscopic or macroscopic examination is to be made. * Studies photomicrographs and performs microscopic examinations on samples to determine metal characteristics, such as crystal structure, porosity, and homogeneity. * Interprets findings and prepares drawings, charts, and graphs for inclusion in reports for reference or instruction purposes, and writes reports regarding findings, conclusions, and recommendations. * Coordinates and participates in performing special tests, such as end-quench hardenability, bend and tensile, and grain size tests.
Industry:Professional careers
A professional who tests developmental semiconductor devices or sample production units, and evaluates test equipment to develop data for engineering evaluation of new designs or special production yield study, applying knowledge of electronic theory and test equipment operating principles. Responsibilities include: * Designs basic circuitry and prepares rough sketches for design documentation as directed by engineers, using drafting instruments and computer-assisted design/drafting equipment. * Evaluates, calibrates, and tests new equipment circuits and fixtures, using testing equipment, such as oscilloscopes, logic and test probes, and calibrators. * Builds and modifies electronic components, using handtools and power tools. * Assists engineers in development of testing techniques and laboratory equipment. * Assists with equipment maintenance. * Liaises between test project sites to ensure orderly flow of information and materials. * May supervise other technicians in unit.
Industry:Professional careers
A professional who designs and drafts working layouts and master drawings of automotive vehicle components, assemblies, and systems from specifications, sketches, models, prototype or verbal instructions, applying knowledge of automotive vehicle design, engineering principles, manufacturing processes and limitations, and conventional and computer drafting techniques and procedures, using drafting instruments and computerized work aids. Responsibilities include: * Analyzes specifications, sketches, engineering drawings, ideas and related design data to determine critical factors affecting design of components based on knowledge of previous designs and manufacturing processes and limitations. * Draws rough sketches and performs mathematical computations to develop design and work out detailed specifications of components. * Applies knowledge of mathematical formulas and physical laws and uses conventional and computerized work aids to make calculations. * Performs preliminary and advanced work in development of working layouts and final master drawings adequate for detailing parts and units of design. * Makes revisions to size, shape and arrangement of parts to create practical design. * Confers with automotive engineer and others on staff to resolve design problems. * Specializes in design of specific type of body or chassis components, assemblies or systems, such as door panels, chassis frame and supports, or braking system.
Industry:Professional careers
A professional who applies knowledge of mathematics, probability, statistics, principles of finance and business to problems in life, health, social, and casualty insurance, annuities, and pensions. Responsibilities include: * Determines mortality, accident, sickness, disability, and retirement rates; constructs probability tables regarding fire, natural disasters, and unemployment, based on analysis of statistical data and other pertinent information. * Designs or reviews insurance and pension plans and calculates premiums. * Ascertains premium rates required and cash reserves and liabilities necessary to ensure payment of future benefits. * Determines equitable basis for distributing surplus earnings under participating insurance and annuity contracts in mutual companies. * May specialize in one type of insurance and be designated Actuary, Casualty; Actuary, Life.
Industry:Professional careers
A professional who sells mechanical equipment and provides technical-services to clients as described under sales engineer master title.
Industry:Professional careers
A professional who drafts detailed construction drawings, topographical profiles, and related maps and specifications used in planning and construction of civil engineering projects, such as highways, river and harbor improvements, flood control, and drainage. Responsibilities include: * Reviews rough sketches, drawings, specifications, and other engineering data received from civil engineer. * Plots maps and charts showing profiles and cross-sections, indicating relation of topographical contours and elevations to buildings, retaining walls, tunnels, overhead power lines, and other structures. * Drafts detailed drawings of structures and installations, such as roads, culverts, fresh water supply, sewage disposal systems, dikes, wharfs, and breakwaters. * Computes volume of tonnage of excavations and fills and prepares graphs and hauling diagrams used in earthmoving operations. * Performs other duties as described under drafter master title. * May accompany survey crew in field to locate grading markers or to collect data required for revision of construction drawings. * May specialize in drafting and modifying topographical maps from surveying notes and aerial photographs and be designated Drafter, Topographical. * May use computer-assisted drafting (CAD) equipment and software and be designated Drafter, Civil (CAD)
Industry:Professional careers
A professional who performs duties as described under apprentice (any industry) master title.
Industry:Professional careers
A professional who designs and directs construction of power and other hydraulic engineering projects for control and use of water. Responsibilities include: * Computes and estimates rates of waterflow. * Specifies type and size of equipment, such as conduits, pumps, turbines, pressure valves, and surge tanks, used in transporting water and converting water power into electricity. * Directs, through subordinate supervisors, activities of workers engaged in dredging, digging cutoffs, placing jetties, and constructing levees to stabilize streams or open water ways. * Designs and coordinates construction of artificial canals, conduits, and mains to transport and distribute water; and plans reservoirs, pressure valves, and booster stations to obtain proper water pressure at all levels. * Frequently builds laboratory models to study construction and flow problems.
Industry:Professional careers
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