ʻO nā motika AC kekahi o nā kaʻa kaʻa i hoʻohana nui ʻia i ka ʻoihana a me ka mahiʻai, me nā mana mai ka ʻumi o watts a hiki i kilowatts, a hoʻohana nui ʻia i nā ʻoihana like ʻole i ka ʻoihana aupuni.
Ma ka ʻoihana: ʻo nā mea wili kila liʻiliʻi a liʻiliʻi, nā mīkini ʻoki metala like ʻole, nā mīkini ʻenehana māmā, nā mine hoists a me nā ventilator e alakaʻi ʻia e nā kaʻa asynchronous.