Nkọwa nkenke:

Onye na-egbu ihe na B47 nakweere teknụzụ tozuru etozu nke Garnard Denver Pneumatic Group nke United States. Ọ bụ a ndinuak ngwá ọrụ kwadoro site abịakọrọ ikuku, nke nwere ike rụọ ọrụ nke ọma mezue ndinuak ọrụ nke mesikwuru ihe, nkume, korota, wdg Ọ bụ fechaa, inogide, ngwa ngwa na oru oma, na bụ ezigbo ngwá ọrụ maka rosh idozi na demolition nke mines, àkwà mmiri, okporo ụzọ, mmiri na netwọk anwụrụ. B47 crusher adopts tozuru okè technology nke American Gardner Denver Pneumatic Group Company, Ọ bụ a ndinuak ngwá ọrụ kwadoro site abịakọrọ ikuku, nke nwere ike imecha mesikwuru ihe na nkume rụọ ọrụ nke ọma nkume, korota na ndị ọzọ na-azọpịa ọrụ, na ìhè na inogide, ngwa ngwa na oru oma, wdg m, àkwà mmiri, okporo ụzọ, mmiri, eletriki anwụrụ netwọk ewu mmezi na demolition nke ezigbo ngwá ọrụ.