Pono nā mea hana Plato Trenching no nā kaulahao kaulahao, nā miners surface, nā ʻauwaha huila, nā mea hoʻopili demolition a me ka mīkini wili kuhikuhi kuhikuhi. ʻO nā mea hana ʻauwaha e hana i nā hana kūkulu ʻana e like me nā paipu ʻaila i kanu ʻia, nā paipu wai paipu, a me nā uwea optical, a me ka wāwahi ʻana i koʻu mau alanui a me nā papa pōhaku.