A na-emejuputa njikwa mma nke bọọdụ phenolic na njikọ ọ bụla Nchọpụta resin phenolic tupu nwa Nkọwa nkọwapụta nke bọọdụ phenolic na mmepụta Post mmepụta size nke phenolic osisi Nlele ogbe nke arụmọrụ bọọdụ phenolic Nlele ogbe nke arụmọrụ bọọdụ phenolic Nlele ogbe nke arụmọrụ bọọdụ phenolic