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Ọkpụkpọ rba ikuku na-agbanwe ọtụtụ ọrụ
Igwe ikuku roba mejupfrom tara akụkụ atọ: tube, nkwado na mkpuchi。A na-eme管ahụ site na rba sntett nke delu na nke dnro, karsa NBR, nke na-eguzogide ọgwụ mgbochi，腐蚀na mmanụ。A na-eme nkwado ahụ site n'ọtụtụ kwa diphoneelu nke eriri scizntetik siri ike, na-eme ka eriri ahụ nwee nhazi siri ike。阿纳-eme ihe mkpuchi ahụ site na akwa ojii delu na roba sntett, na-eguzogide ọkụ，磨损，腐蚀，mmanụ， ihu igwe，臭氧na ka nká。苏克nwere ogologo ọrụ ndụ n'ihi ..