American Society maka nnwale na ihe, ASTM. A maara nke ọma dị ka International Commis maka nyocha (Iatm). Oria ndi America maka ihe na nnwale (Attm. ASTM nwere ihe fọrọ nke nta ka ọ bụrụ puku mmadụ anọ na puku anọ na puku anọ na narị narị mba na-anọghị na United States. ASTM amalitela ihe karịrị ụkpụrụ 10,000.

Ekele diri ndiDunsung Mgbaghara DHDzna-enwetaAsambodo ASTM

Attm, Consung Ofufe Ike, na-ele anya na mmepụta na ahịa nke nkọwapụta dị iche iche nkefriaji, ndi eze tara, nkọwa zuru ezu, enwere ike ịhazi ya, enwere ike ịhazi ya dịka chọrọ ihe ndị ahịa chọrọ, Nnabata ndị ahịa na ochie na nke ochie, aha aha ọma ...

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