The (1)… of construction used here is efficient because the internal volumes are not large and the principal materials are (2)… . The hall has an octagonal (âîñüìèóãîëüíûé) plan. (3)… areas are covered by trussed rafters (ñòðîïèëüíûå ôåðìû), in which all the members are in the same plane and connected (4)… by metal plates, or by one of eight types of trusses, in which members are in different planes. The external walls are of double-leaf construction using 100mm thick bricks with a 50 (5)… cavity (6)… . The internal walls are (7)… 100mm thick. The trussed rafters spanning 5.55m are spaced at 600mm (8)… while the trusses, spanning 7.35m, are at the larger spacing of 2.70m between centres. The hall has a 13m distance between opposite (9)… of its octagonal plan and is spanned by four principal 35 x 495 mm laminated (10)… .
(ïðîäîëæåíèå òåêñòà â óïðàæíåíèè 3 óðîêà 3.6 ñòð. 33)