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Air sampling is a vital method of protecting workers from the potential hazards of airborne contaminants (dust or vapours/gases).

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a Boolean operator which gives the value one if and only if all the operands are one, and otherwise has a value of zero.

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civil engineering
 an engineer who designs and maintains roads, bridges, dams, and other buildings.

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civil engineering
 an engineer who designs and maintains roads, bridges, dams, and other buildings.

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is a field of engineering concerned with the activities related to the production of hydrocarbons, which can be either crude oil or natural gas. Exploration and production are deemed to fall within the upstream sector of the oil and gas industry.

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a type of engineering that deals with the uses of electricity

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deals with aircraft design ,process design

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A mathematical technique for finding a maximum or minimum value of a function of several variables subject to a set of constraints, as linear programming or systems analysis.

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an engineer who designs and maintains roads, bridges, dams, and other buildings.

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Industrial engineering is a branch of engineering which deals with the optimization of complex processes, systems, or organizations.

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A trade-off is a situational decision that involves diminishing or losing one quality, quantity or property of a set or design in return for gains in other aspects.

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They are  quantitative, measurable criteria.

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research and development of nuclear energy and radiation

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the branch of engineering dealing with the design, construction, and use of machines.

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Its a branch of engineering that deals with the design, development, testing, and production of aircraft and related systems.

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a person engaged in trade

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A series of steps that engineers follow to come up with a solution to a problem.

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Environmental engineers develop solutions to environmental problems.
Ex. getting energy from the wind

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A person who replaces damaged body parts or organs.

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The design and discovery of new types of materials, more commonly solid like materials.

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A branch of engineering that is mainly trained in skills and techniques, with knowledge and understanding of modern engineering concepts

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The branch of engineering concerned with the design and operation of industrial chemical plants.

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Engineering that ingrates electronic engineering with computer sciences.

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a person who design,builds,or maintains engines,machines,or public works

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limitations or restriction

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professional engineering requiring such education and experience as is necessary to understand and apply.