Ọ bụkwa onye isi oche nke International Pulp Bleaching Conference na 2000 na Halifax Canada.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Ọ bụkwa onye isi oche nke 2000 International Pulp Bleaching Conference na Halifax Canada ma natala ọtụtụ ihe nrite ndị ọzọ na-emepụta pulp na akwụkwọ; dị ka PAPTAC Howard Rapson Memorial Priz (ugboro abụọ) ".