Ko te 4 Way Ring Main Unit he wāhanga matua o ngā whatunga whakarato hiko hou kia tere ake te whakahaere i te hiko. E tuku ana ia hononga mō ētahi anuanu kākā, ā, ka tiaki anō hoki i ngā āhuatanga. He pai tēnei kāwai hei whakanui ake i te whakarato hiko mō ngā punanga taone, ngā umanga, me ngā pūnaha hiko hou e mōhiotia ana mō tana pono. Kua hangaia ā mātou kāwai kia tino nui ake i ngā paerewa o te ao, nō reira i te kōwhiringa a ngā kiritaki o te ao. Nō te aronga ake ki te innovation me te kounga.