Wood usually appreciates it a little but it has candles physical, chemical, mechanical properties specifically highlighted the possibility of his physical characteristics would. We need to appreciate his generosity to compare plastic.
- Classify the tree by its hardness.
-First very soft wood; linden aspen poplar willow
-2nd soft wood; alder spruce pine larch horse chestnut black pine fir cedar
-Third fort wood ash plum plane elm
-4th hardwood; maple, apple, pear, sweet, chestnut, oak, cherry, walnut, beech,
-5th hardwood; black oak, white beech
-6th Special hardwood boxwood, olive
-7th special hardwood ebony