Ультразвуковое исследование

the Botanical name - Fraxinus excelsior.
German names - Esche, English - Ash, Italian - Frassino.
Tree from family maslinovyh (Oleaceae), the average sizes (to 35 metres of height).
Grows mainly in Europe though are available American and Japanese
Ash-tree versions.
Ash-tree wood light, slightly yellowish, with well expressed characteristic drawing of a structure on a cut. Zabolon' and mature wood practically do not differ.

the Botanical name - Tectona grandis L. Fil
German, English and Italian names - Teak.
The tree from family verbenovyh (Verbenaceae), reaches heights of 50 metres with thickness of a trunk of 50 and more centimetres. Grows in India, Indonesia, Burma and surrounding region, and also in East Africa.
Wood zolotisto-brown with dark impregnations or sites, a structure well expressed, a direction of fibres equal or slightly wavy. Tic wood possesses strong enough, pleasant smell.

the Botanical name - Larix decidua
The English name - Larch
Sort of well-known coniferous trees from family pine (Pinaceae). Large trees, 30-35 m in height, with needles dumped for the winter. In a sort 10-12 (on other data, from above 20) the kinds extended in cold areas of Northern hemisphere (from the Himalayas to 71 ° with. sh.). In USSR L occupies enormous spaces, rising to the top border of wood in mountains and reaching on S extreme limits of distribution of wood vegetation. The greatest areas occupy larch Gmelina, or daurskaya (L. gmelini), and a larch Siberian (L. sibirica).

Wood kum'era heavy and firm, but well gives in to machining, is well ground and varnished. It well approaches for manufacturing of floors or their separate elements in art packings, and also for manufacturing of carved wooden products. Wood concerns the first class of wear resistance (serves without term restriction at a finding under a roof, without contact to damp soil and at good ventilation). It is steady against fungi and insects. An obligatory condition is drilling of apertures under nails and screws as kum'er it is firm and is easily pricked.

Other names - Lauro faiya, the Silk tree, the Leopard tree, the Snake tree.
It is extended in Australia. Grows in more subtropical mountain seaside woods of Northern Queensland, Australia. Distinguish also Grevillea robusta and Ortis excelsa (from East Australia). A tree in height to 35 metres and diameter more than 1 metre. Laisvud
- One of the most beautiful Australian trees.

Morenyi the oak is processed with the big difficulties because of its big hardness.
Such exclusive properties morenogo an oak speak the maintenance in its wood of a considerable quantity of insoluble salts in water of tannic acid and iron. Morenyi the oak is very exacting to drying and should be dried up only air. Application - an interline interval for furniture facing, for a wooden covering, wood for a parquet. Because of a rich range of colours, it is necessary to prefer brilliant smooth coverings.

Beechen wood light, with a krasnovato-yellow or grayish shade (from here the name a red beech unlike so-called «a white beech» - a hornbeam), year rings are expressed poorly. At the expense of homogeneous structure of wood the beechen floor visually looks quiet, warm, even soft.
Beech - the firm and strong tree which is not conceding in this respect to an oak. It is well processed by the cutting tool and it is ground. It is usually used for parquet floors and for furniture manufacturing, including gnutoi, so-called

Wood gevei melkosloinaya, strong, wearproof, is not subject almost to water influence, very well resists to decay and insects. It is well processed and polished almost to mirror shine. In comparison with other breeds of trees of the same density, shrinkage of a rubber tree rather small. In wood gevei the thickened lacteal juice containing natural rubber contains, that complicates its processing and, in particular, a covering a varnish a little. Before a covering poliuretanovymi varnishes drawing of the first coats excluding «podjig» wood is necessary.