Combine the words from the column on the left with the suitable nouns from the column on the right. Translate them into Russian.

1) proper	a) gases
2) body	b) ventilation
3) digestive	c) air
4) exhaust	d) fan
5) air	e) odors
6) heating and cooling	f) side
7) energy-recovery	g) ducts
8) pressure	h) intake
9) upwind	i) pressure
10) neutral	j) differences
11) reasonable	k) home
12) tightly sealed	l) cost
13) high-efficiency	m) furnace
14) enclosed	n) place

Choose the odd word.

1) to remove / to pull / to exhaust / to withdraw / to supply

2) to run / to operate / to exist / to perform / to function / to act

3) to spread / to extend / to distribute / to disperse / to dissolve

4) to lower / to raise / to lessen / to decrease / to cut / to diminish

5) to benefit / to advantage / to support / to improve / to promote

6) crisp /stale / close / stuffy / stifling

7) choice / selection / option / variant / alternative / range

Match the words with their synonyms.

1) to exhaust	6) to fix	a) complex	f) suitable
2) to dilute	7) to leak	b) to release	g) to allocate
3) to distribute	8) complicated	c) to soak	h) to guarantee
4) to ensure	9) appropriate	d) to install	i) to better
5) to improve	10) approximately	e) about	j) to attenuate

Match the words with their opposites.

1) positive	6) sour	a) excessive	f) sweet
2) incoming	7) complicated	b) to seal	g) similarity
3) to leak	8) to improve	c) negative	h) outgoing
4) difference	9) to exhaust	d) fresh	i) to deteriorate
5) reasonable	10) stale	e) to draw	j) simple

Choose the contextual meanings of the words written in bold in Text 1.

Way

a) особенность	c) способ
b) путь	d) состояние

Sign

a) символ	c) сигнал
b) признак	d) обозначать

Can

a) мочь	c) урна
b) чехол	d) банка

Source

a) источник	c) получать
b) ресурс	d) исток

Lower

a) недавний	c) снижать
b) сердитый	d) более низкий

Range

a) область	c) ассортимент
b) предел	d) колебаться в пределах

17. Match the terms including the word “ventilation” with their definitions. Translate them into Russian.

Ventilation

a) Dilution Ventilation	d) Exhaust Ventilation
b) General Ventilation	e) Industrial Ventilation (IV)
c) Ventilation Rate

1) Mechanical removal of air from a portion of a building (e.g., piece of equipment, room, or general area).

2) The rate at which outdoor air enters and leaves a building. Expressed in one of two ways: the number of changes of outdoor air per unit of time (air changes per hour, or "ach") or the rate at which a volume of outdoor air enters per unit of time (cubic feet per minute, or "cfm").

3) A form of ventilation, which relies on mixing uncontaminated air with contaminated air in such quantities that the resultant mixture in the breathing zone will not exceed the allowable exposure limit specified for any contaminant.

4) The equipment or operation associated with the supply or exhaust of air, by natural or mechanical means, to control occupational hazards in the air in an industrial setting.

5) Ventilation system designed to maintain an acceptable indoor air by mixing the contaminated indoor air with fresh outdoor air and by controlling the temperature and humidity of the indoor air.

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