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  1. A) Match the parts of arch and words given:

rise; abutment; keystone; back/extrados; clear span, "Bay" ; voussoir; intrados; impost.

b) Match the terms with their definitions:

1) abutment

a) the horizontal distance between supporting pillars, columns, or walls, being the maximum possible distance clear of obstacles

2) back/

Extrados

b) the vertical distance between the springing line of the arch and the curve of the intrados

3) clear span

c) the uppermost part of a column or pillar supporting an arch

4) impost

d)the central stone or brick at the top of the arch, which may be wedge-shaped. It holds the arch together

5) intrados

e) the point where the ends of the arch rest on the wall and support the weight of the structure above them

6) keystone

f)a wedge-shaped or tapered stone used to construct an arch

7) rise

g) the undersurface or soffit of the arch

8) voussoir

h) the outer curve or surface of an arch or vault 

12 A) Translate into Russian without a dictionary:

Interor wall construction

Drywall sheets are applied to studs, joists, or rafters with special drywall nails, drywall screws, or adhesive. Joints between panels are taped with a paper or fiberglass tape and are coated, along with nailheads, by several layers of smooth, plaster-like wallboard compound (“mud”). Most outer corners are reinforced with metal or square-edged or rounded corner bead. The sheets, which are relatively inexpensive, are 4 feet wide, 1/4 to 5/8 inch thick, and from 6 to 16 feet long. The standard size is 1/2 inch thick and 8 feet long.

Plaster is a mixture of Portland cement, sand, and water that is applied in a thick, mud-like consistency to a base of wood or metal lath or perforated plasterboard. Plaster is applied in layers: First, a scratch coat is troweled onto the lath so that it oozes through and grips the backing when it hardens. After that dries, a second, or undercoat, is applied. Then, a finish or white coat is troweled on the undercoat for the final, smooth surface.

Wood paneling has been used as a wall covering since walls have been walls, though it’s now used primarily as an accent for a study or family room where its warmth and character are desired. Wood paneling is made both in sheets and in individual, interlocking strips. They’re glued or invisibly nailed to existing walls or furring strips; furring is always needed when paneling is applied to masonry walls.

b) Choose ten unfamiliar expressions from the text, consult the dictionary and use them in your own situations.

13 Look at the text, separate the words to make sense:

        • Modernbuildingwallsmaybedesignedtoserveaseitherbearingwallsorcurtain wallsorasacombinationofbothinresponsetothedesignrequirementsofthebuildingasa whole.

  • Bothtypesmayappearsimilarwhencomplete,buttheirsequenceofconstructionisusuallydifferent.

  • Bearing-wallconstructionmaybemasonry,cast-in-placeorprecastreinforcedconcrete,studsand sheathing, andcompositetypes.

  • Thedesignloadsinbearingwallsaretheverticalloadingfromabove,plushorizontalloads,bothperpendicularandparalleltothewallplane.

  • Bearingwallsmustbeerectedbeforesupportedbuildingcomponentsabovecanbe erected.

  • Curtainwallconstructiontakesseveralformsincludinglighterversionsofthoseusedforbearingwalls

  • Thesewallscanalsocompriseassembliesofcorrugatedmetalsheets,glasspanels,orceramic-coated metalpanels,eachlaterallysupportedbylightsubframingmembers.

  • Thecurtainwallcanbeerectedafterthebuildingframeiscompleted,sinceitreceivesverticalsupportbyspandrelbeams,orrelievingangles,atthewallline.