ʻO nā pale kaʻa ka mea i hoʻohana ʻia no ka mālama ʻana i ke kaʻa a me ka pale ʻana i ka palekana o nā wahi kaʻa. Hoʻohana pinepine ʻia lākou i nā wahi noho, nā keʻena a me nā hale kūʻai.
ʻO nā laka kaʻa kaʻa kaʻa kaʻa mamao- a i ʻole ka sensor no ka hoʻohana maʻalahi, kūpono no ka hoʻokele kaʻa kūpono. He maʻalahi nā laka kaʻa lima, haʻahaʻa, a hana lima ʻia, kūpono no nā wahi haʻahaʻa.