]A na-ewu nrụnye ike ikuku nke dị n'ụsọ mmiri na mmiri na-emighị emi ma na-enwekwa mmebi ogologo oge site na mmiri oké osimiri. Ha na-achọ ihe metal dị elu na usoro mmepụta ihe. Olee otú a pụrụ isi dozie nke a? - Site na teknụzụ laser! Nhicha laser na-enyere aka ịrụ ọrụ mechanized nwere ọgụgụ isi, nke nwere ezigbo nchekwa na nsonaazụ nhicha. Laser chillers na-enye refrigeration kwụsiri ike na nke ọma iji gbatịa ndụ yana belata ụgwọ ọrụ nke akụrụngwa laser.