Washington, DC (February 2013) – US Forest Service ewepụtala akwụkwọ ntuziaka ọhụrụ, "Nhọrọ iji osisi maka osisi ime obodo nke ụmụ anụmanụ na-emebi emebi," iji nye ntụzịaka maka ojiji na omume kacha mma maka osisi obodo mepere emepe nwụrụ anwụ ma na-anwụ anwụ nke ụmụ ahụhụ na-efe efe butere. ọwụwa anyanwụ US
Mbipụta a na-ebudata, nke ụlọ ọrụ Forest Service Forest Products Laboratory na Mahadum Minnesota Duluth mepụtara, na-enye ndụmọdụ maka ịtụle ọtụtụ nhọrọ dịnụ maka iji osisi na-egbu ụmụ ahụhụ. Nke a na-agụnye ndepụta nke ngwaahịa na ahịa dị iche iche dị maka osisi a, dị ka osisi, ngwá ụlọ, kabinet, ala ala, na pellet maka ụlọ ọrụ ike ọkụ ọkụ.