I-efa nebhati kuyakuba yisilinganiso sinye , ukuze ibhati lifumbathe okweshumi kwehomere, ne-efa okweshumi kwehomere, isilinganiso salo sibe ngokwehomere.

Walinganisa ugange lwawo , izingalo eziyikhulu namashumi amane nane , yisilinganiso somuntu esingesengelosi.