1.Efficient na ngwa ngwa: ngwa ngwa: 25 nkeji iji mezue a gburugburu ule; 2.Multiple ihe ule: 3 ụlọ nwere ike n'out oge na-anwale multiple ìgwè nke sample onwe ha iji nweta multiple nzube ule; 3.Flexible mmemme: imekotaotuutu comparative ule nke