A: ʻO ke kumukūʻai hana o ka mīkini hana bullion gula ke ʻano like ʻole ma muli o nā mea like me kona ʻano, ka nui, ka hiki, a me ka pae o ka automation. He ʻumi kaukani kālā ke kumu kūʻai o nā mīkini ʻuʻuku liʻiliʻi, ʻoiai ke kūʻai ʻia nā mīkini nui, kiʻekiʻe, a me nā mīkini ʻokiʻoki loa i mau haneli kaukani kālā a ʻoi aku paha. Eia kekahi, pono e noʻonoʻo ʻia nā kumukūʻai no ke kau ʻana, hoʻomaʻamaʻa, a me ka mālama mau ʻana.