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Table 1 Hardwood: The term hardwood comes from a law of the imperial period, and although well known, has no technical definition. According Osny Duarte Pereira, in the work entitled Law Brazilian Forest, published in 1950, page 96, "The Letter of the Law of 15 October 1827, in § 12 of art. 5th, it was up to justices of the peace of the provinces supervision of forests and ensure the prohibition of cutting of timber construction in general, so called hardwoods.'' However, there are variations in the understanding of this term. Hardwood can also refer to those precious woods in the market, regardless of its strength. If hardwoods and resistant can be excellent for construction and shipbuilding only softwoods are good for making plywood. Forest Products Laboratory recommends that the term hardwood is not used in official documents such as contracts, bids, legislation, etc.. Where necessary, the timber should be cited by their common names, and more particularly known by the scientific name. Source: www.ibama.gov.br The FORESTS Paraná suffered this type of action. You know what was the fate given to our hardwood trees? It was a destination "noble" or served only firewood? Search on this subject and indicate, on the map, the location that these forests had Paraná. One must remember, though, that felled forests (they are often vast areas devastated by "correntões" pulled by powerful tractors) gave way to ranching and / or farming. But that's another story! Currently, due to technological advances, energy resources are used more fossil fuels (coal, oil and natural gas), hydropower and nuclear power. Other forms, less widespread, refer to wind power (mode where the city of Palmas, Paraná, is a precursor for use in the South), geothermal, solar and tidal. All sources of energy, whether conventional or alternative, require technology to their exploration and exploitation.
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Tablica 1. Tvrdo: tvrdo Pojam dolazi iz zakona o carskom razdoblju, a iako je dobro poznato, nema tehničku definiciju. Prema Osny Duarte Pereira, u radno pravo Pravnog brazilske šume, objavljena 1950, str 96, "Pismo Zakona o 15. listopada 1827, u § 12. umjetnosti. 5., to je do suca za mir u provincijama nadzor šuma i osigurati zabranu sječe drva gradnje u cjelini, tzv tvrdog drva.'' Međutim, postoje razlike u razumijevanju tog pojma. Tvrdo se također odnosi na one dragocjene šume na tržištu, neovisno o svojoj snazi. Ako tvrdog drva i otporne može biti odličan za gradnju i brodogradnju samo Četinari su dobre za izradu šperploča. Forest Products Laboratory preporučuje da pojam tvrdo ne koristi u službenim dokumentima, kao što su ugovori, ponude, zakonodavstvo, itd.. Gdje je to potrebno, drvo treba navoditi prema zajedničkim imenima, a posebno poznat po znanstveno ime. Izvor: www.ibama.gov.br Šume Paraná pretrpio ovu vrstu djelovanja. Znate li što je sudbina s obzirom na naše bjelogoricu? To je mjesto "plemeniti" ili koje se izvršavaju samo drva za ogrjev? Traži na ovu temu, a pokazuju, na karti, mjesto da se ove šume su Parana. Moramo zapamtiti, ipak, da sječi šume (oni su često široka područja stradala "correntões" izvukao moćne traktora) ustupila uzgoja i / ili uzgoj. No, to je druga priča! Trenutno, s obzirom na tehnološki napredak, energetski resursi koriste više fosilnih goriva (ugljena, nafte i prirodnog plina), hidroelektrane i nuklearne elektrane. Ostali oblici, manje raširena, potražite vjetroelektrana (mod u kojem gradu Palmas, Paraná, je prekursor za uporabu na jugu), geotermalna, solarna i plime. Svi izvori energije, bilo konvencionalne ili alternativne, zahtijevaju tehnologiju na svoje istraživanje i eksploataciju.