Ohiri isi ịhịa aka n'olu

Foam ebe nchekwa bụ ihe na-eweghachi nwayọ nwayọ, nke NASA mebere ya dị ka ihe mepere emepe nke nwere mmetụta okpomọkụ na mbelata akụrụngwa, nke nwere ike belata nrụgide nke ndị na-enyocha mbara igwe na-enwe mgbe ha na-ahapụ ala wee nweta mmetụta nke ichebe ọkpụkpụ azụ.

Biko lee anya ohiri isi a nke na-enye gị ohere ịnụ ụtọ ụra abalị dum

Ihe nchịkọta dị ọkụ: Ihe ndina nke olu ịhịa aka n'ahụ , China ihe ndina olu ịhịa aka n'ahụ ndị na-emepụta ihe, ndị na-ebu, ụlọ ọrụ