Pono ka hoʻohana ʻana i kahi stacker counterbalanced i ka hui pū ʻana o nā mākau ʻenehana a me ka ʻike palekana e hōʻoia i ka mālama pono a me ka palekana. Pono kēia mau mīkini maʻalahi i nā hale kūʻai a me nā wahi hana, e ʻae i nā mea hana e hāpai a neʻe i nā ukana kaumaha me ka maʻalahi. Eia kahi