Group (E F) - Spelling Practices

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(1) a. Syn. frugal; cheap; economical(экономической) pertaining to economy; frugal; cheap
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(2) n. (экономика) efficient use of resources; reduction in cost; specific type of economic system
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(3) n. (электрика) one whose occupation is the installation, maintenance, repair, or operation of electric equipment and circuitry
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(4) v. Syn. reserve(заниматься) obtain for services of; arrange for the use of; pledge or promise, especially to marry
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(5) v. Syn. increase; improve(повышения) make better or more attractive; increase; improve
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(6) v. Syn. illuminate(просветить) supply with light; illuminate, as the sun enlightens the earth; make clear to the intellect or conscience; give information to; inform or instruct
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(7) a. (энтузиазм) having or showing great excitement and interest
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(8) a. Syn. odd; unpredictable(неустойчивой) no fixed or regular course; wandering
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(9) a. Syn. necessary; critical; vital; indispensable; fundamental(эфирные) necessary; critical; vital; constituting or being part of the essence of something
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(10) v. Syn. stretch; prolong(расширить) open or straighten something out; unbend; prolong