He nui nā pōmaikaʻi o nā wili SEMS, ʻo ia ka wikiwiki o ka hui. No ka mea, ua hui mua ʻia nā wili a me ke apo i hoʻopaʻa ʻia, hiki i nā mea hoʻonohonoho ke hōʻuluʻulu wikiwiki a hoʻonui i ka huahana. Eia kekahi, hōʻemi ka SEMS i nā hewa o ka mea hana a hōʻoia i ka maikaʻi a me ka kūlike i ka hui huahana.
Ma waho aʻe o kēia, hiki i nā wili SEMS ke hāʻawi i nā waiwai anti-loosening hou a me ka insulation uila. He mea kūpono kēia no nā ʻoihana he nui e like me ka hana kaʻa, ka hana uila, a me nā mea ʻē aʻe.