D. Give the Russian equivalents to the following abbreviations.

1) CFM (cubic feet per minute) - _______________________________  

2) HEPA (High-Efficiency Particulate Air Filter - a filter designed to remove 99.97% of specific type particulate material (0.3 micrometers in diameter) from air) - _________________________________________  

3) HVAC (Heating, ventilation, and air-conditioning system) - _______  

4) IAQ (indoor air quality) - ___________________________________  

5) VOCs (Compounds that vaporize (become a gas) at room temperature. Common sources which may emit VOCs into indoor air include housekeeping and maintenance products, and building and furnishing materials. In sufficient quantities, VOCs can cause eye, nose, and throat irritations, headaches, dizziness, visual disorders, memory impairment; some are known to cause cancer in animals; some are suspected of causing, or are known to cause, cancer in humans.) - ______________________________________________________

E. Match the terms with their definitions. Translate them into Russian.

a) fan	d) capture velocity	g) diffusers and grillers
b) hood	e) drain tile loop	h) environmental agents
c) building envelope	f) odour threshold	i) oxygen deficiency

1) Elements of the building, including all external building materials, windows, and walls, that enclose the internal space.

2) The air velocity required to capture suspended dusts or aerosols and draw them into an exhaust hood.

3) Components of the ventilation system that distribute and return air to promote air circulation in the occupied space. Supply air enters a space through a diffuser or vent and return air leaves a space through a grille.

4) A continuous length of drain tile or perforated pipe extending around all or part of the internal or external perimeter of a basement or crawlspace footing

5) Conditions other than indoor air contaminants that cause stress, comfort, and/or health problems (e.g., humidity extremes, drafts, lack of air circulation, noise, and over-crowding).

6) A device designed to contain and/or capture aerosols and direct them to the exhaust duct network.

7) A mechanical device which causes air movement.

8) The lowest concentration of an air contaminant that can be detected by smell.

9) Concentration of oxygen in the ambient air of less than 19.5% by volume.

Translate the terms given below into English

Аппарат для кондиционирования воздуха, ограждающая конструкция здания, петля керамической дренажной трубы, диффузор, дренажный бачок, система с постоянным расходом воздуха, кондиционированный воздух, подача наружного воздуха, образование тяги, ввод в эксплуатацию, скорость поглощения, внешний фактор, порог восприятия запаха, вентиляционная камера, манометрическое давление, удельная масса.

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