He aha nā kikoʻī e pono ai iā mākou e nānā i ke ʻano koho koho ʻana o ka hawewe puna.?
Ke koho ʻana i ka puna nalu kūpono (a i ʻole ka mea holoi nalu, e like me ka mea i kapa pinepine ia) for a specific application is a critical design step that directly impacts