ʻO ka mīkini hoʻopili Doypack pālahalaha BHD-180SZ Boevan Me ka hana Zipper i hoʻolālā ʻia no ka ʻeke kū a me ka ʻeke pālahalaha, me nā hana o ka hana ʻana i ka lua kau, ke ʻano kūikawā, ka zipper a me ka spout.

Loaʻa i ka mahcine hoʻopili HFFS kahi ʻōnaehana servo advance i ka holomua o ka ʻeke paʻa me ka liʻiliʻi o ka ʻokoʻa, i ka hoʻololi kikoʻī kamepiula maʻalahi, loaʻa iā ia kahi hāmeʻa wehe zipper kūʻokoʻa i ka mana hoʻomalu tensile zipper paʻa a me ka sila zipper. Loaʻa iā ia kahi ʻōnaehana photocell hiki ke hoʻomaikaʻi i ka wikiwiki holo a me ka pololei.