1.ʻO ka mīkini uila e hele ai i nā kiʻi nui a me nāʻ�ʻ likeʻole o nā paila (e likGFE / GFR / GFE / GFD
2. He kūpono no kaʻokiʻana a me ka weheʻana i ka lubrication o nā lako hoʻoili e like me nā lapalapa e like me nā lathes