Make sentences. put words in the right order. 1) that / needs / excellent / has / characteristics / satisfy / iuman / wood. 2) specific / same / gravity / is / as / the / numerically / density. 3) to / conduct / is / the / ability / a / material / sound / conductivity / of / heat / or / electricity. 4) weather / in / wood / cold / can / its / warm / retain / and / keep / interior / the / cold / out / weather. 5) electricity / is / poor / wood / of / generally / a / conductor. 6) effect / the / resistance / environment / corrosion / ability/is/of/ to / withstand / the / corrosive. 7) mainly / the / depends / on / presence / oils in / of / resins / tanning / smell / wood / materials. 8) across / the / cutting / fibres / in / represents / annual / /he / texture / fact / of / rings.
5.Wood generally is a poor conductor of electricity.
1) Wood has excellent characteristics that satisfy human needs.
2) Specific gravity is numerically the same as density.
3) Conductivity is the ability of a material to conduct sound, heat or electricity.
4) In cold weather wood can keep its interior warm and retain the cold / out / weather..
5) Wood is generally a poor conductor of electricity.
6) Corrosion resistance is the ability to withstand corrosive effect of the environment.
7) Smell of resins in wood mainly depends on the oils tanning materials presence.
8) Cutting across fibres represents in fact the texture of the annual rings.