Такую кладку обычно сооружают на бетонном фундаменте: она состоит в нижней части из четырех-пяти рядов красного, а в верхней части двух-трех рядов шамотного кирпича
Such laying usually build on concrete foundation: it is at the bottom of the four-five rows of red, and at the top of two-three rows of fireclay bricks
Such a clutch is typically constructing a concrete foundation: it comprises in the lower part of four or five rows of red, and the top two or three rows of firebrick
this is usually on the concrete foundation of the building. it is in the lower part of the four to five rows of red, and the top two to three rows of шамотного brick